Last visit was: 05 Nov 2024, 17:39 It is currently 05 Nov 2024, 17:39

Close

GRE Prep Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GRE score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Close

Request Expert Reply

Confirm Cancel
User avatar
Retired Moderator
Joined: 07 Jun 2014
Posts: 4813
Own Kudos [?]: 11137 [4]
Given Kudos: 0
GRE 1: Q167 V156
WE:Business Development (Energy and Utilities)
Send PM
User avatar
Retired Moderator
Joined: 07 Jun 2014
Posts: 4813
Own Kudos [?]: 11137 [1]
Given Kudos: 0
GRE 1: Q167 V156
WE:Business Development (Energy and Utilities)
Send PM
User avatar
Director
Director
Joined: 22 Jun 2019
Posts: 521
Own Kudos [?]: 706 [1]
Given Kudos: 161
Send PM
Verbal Expert
Joined: 18 Apr 2015
Posts: 29894
Own Kudos [?]: 36130 [0]
Given Kudos: 25919
Send PM
Re: Profit Per Student (in Dollars) at Dan’s Dojo, [#permalink]
Expert Reply
The question will specify if the value must be rounded or you have to insert the exact value.

Regards
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Own Kudos [?]: 12176 [0]
Given Kudos: 136
Send PM
Re: Profit Per Student (in Dollars) at Dan’s Dojo, [#permalink]
2
huda wrote:
Previous percent increase is 33.3% so From 2004-2005; 162*33.3 = 5394.6 then divide it by 100 we get 53.946; adding this with 162 + 53.946 = 215.9460, this is the actual per-student profit whereas we take it as 216.
Now, my question is in the main/real GRE xm do I need to put the 215.94 or just by leveling 215.94 to 216 and then put 216 as an answer. ???


Be careful, an increase from 60 to 80 is a 1/3 increase.
1/3 = 33.3333333.....%
In your solution, you rounded 33.3333333.....% down to 33.3%
So, your final answer is a bit off.

If we stick with the fraction increase of 1/3, we need only find 1/3 of 162, which is exactly 54

So, our final answer = 162 + 54 = 216

Cheers,
Brent
User avatar
Director
Director
Joined: 22 Jun 2019
Posts: 521
Own Kudos [?]: 706 [0]
Given Kudos: 161
Send PM
Re: Profit Per Student (in Dollars) at Dan’s Dojo, [#permalink]
GreenlightTestPrep wrote:
huda wrote:
Previous percent increase is 33.3% so From 2004-2005; 162*33.3 = 5394.6 then divide it by 100 we get 53.946; adding this with 162 + 53.946 = 215.9460, this is the actual per-student profit whereas we take it as 216.
Now, my question is in the main/real GRE xm do I need to put the 215.94 or just by leveling 215.94 to 216 and then put 216 as an answer. ???


Be careful, an increase from 60 to 80 is a 1/3 increase.
1/3 = 33.3333333.....%
In your solution, you rounded 33.3333333.....% down to 33.3%
So, your final answer is a bit off.

If we stick with the fraction increase of 1/3, we need only find 1/3 of 162, which is exactly 54

So, our final answer = 162 + 54 = 216

Cheers,
Brent


Many Many thanks :) :)
avatar
Intern
Intern
Joined: 30 Oct 2019
Posts: 28
Own Kudos [?]: 11 [0]
Given Kudos: 0
Send PM
Re: Profit Per Student (in Dollars) at Dan’s Dojo, [#permalink]
he percent increase from 2000 to 2001 is:

Percent Change =DifferenceOriginal×100%DifferenceOriginal×100%
Percent Change =2010×100%=33.333333%2010×100%=33.333333%

Now, apply a 33.33333%, or 1313, increase to 2004’s figure. The GRE calculator cannot accept a repeating decimal; instead, divide 162 by 3 to get the amount of increase, and then add 162 to get the new profit per student in 2005: 162 ÷ 3 + 162 = 216.
_________________
Intern
Intern
Joined: 30 Aug 2021
Posts: 25
Own Kudos [?]: 11 [0]
Given Kudos: 12
Send PM
Profit Per Student (in Dollars) at Dan’s Dojo, [#permalink]
i still didnt understand why do we divide by 1/3 and then why is the result of 162/3 added to 162 again
Retired Moderator
Joined: 02 Dec 2020
Posts: 1833
Own Kudos [?]: 2146 [1]
Given Kudos: 140
GRE 1: Q168 V157

GRE 2: Q167 V161
Send PM
Re: Profit Per Student (in Dollars) at Dan’s Dojo, [#permalink]
1
From \(2000\) to \(2001\), there is \(33.33\)% increase.

The same increase will be there for \(2004\) to \(2005\)

So, profit in 2005 will be \((1 + \frac{1}{3}) * 162 = 216\)

saad wrote:
i still didnt understand why do we divide by 1/3 and then why is the result of 162/3 added to 162 again
Intern
Intern
Joined: 30 Aug 2021
Posts: 25
Own Kudos [?]: 11 [0]
Given Kudos: 12
Send PM
Re: Profit Per Student (in Dollars) at Dan’s Dojo, [#permalink]
rx10 wrote:
From \(2000\) to \(2001\), there is \(33.33\)% increase.

The same increase will be there for \(2004\) to \(2005\)

So, profit in 2005 will be \((1 + \frac{1}{3}) * 162 = 216\)

saad wrote:
i still didnt understand why do we divide by 1/3 and then why is the result of 162/3 added to 162 again



dude i am so sorry but i still didnt understand why that (1 + (1/3))
Retired Moderator
Joined: 02 Dec 2020
Posts: 1833
Own Kudos [?]: 2146 [1]
Given Kudos: 140
GRE 1: Q168 V157

GRE 2: Q167 V161
Send PM
Profit Per Student (in Dollars) at Dan’s Dojo, [#permalink]
1
Sir,

It's a basic one. We need to find an increase.

Let's say we have a value of \(100\). Now if it increases by \(30\)% it will be calculated as \((1 + \frac{30}{100})*100 = 130\)

We have taken \((1 + \frac{1}{3})\) as the value increases by \(33\frac{1}{3}\)%, which is \(\frac{1}{3}\) increase.

saad wrote:
dude i am so sorry but i still didnt understand why that (1 + (1/3))
Intern
Intern
Joined: 30 Aug 2021
Posts: 25
Own Kudos [?]: 11 [0]
Given Kudos: 12
Send PM
Re: Profit Per Student (in Dollars) at Dan’s Dojo, [#permalink]
rx10 wrote:
Sir,

It's a basic one. We need to find an increase.

Let's say we have a value of \(100\). Now if it increases by \(30\)% it will be calculated as \((1 + \frac{30}{100})*100 = 130\)

We have taken \((1 + \frac{1}{3})\) as the value increases by \(33\frac{1}{3}\)%, which is \(\frac{1}{3}\) increase.

saad wrote:
dude i am so sorry but i still didnt understand why that (1 + (1/3))


okay but why specifically 30% and how did you get that 30%
Retired Moderator
Joined: 02 Dec 2020
Posts: 1833
Own Kudos [?]: 2146 [0]
Given Kudos: 140
GRE 1: Q168 V157

GRE 2: Q167 V161
Send PM
Re: Profit Per Student (in Dollars) at Dan’s Dojo, [#permalink]
It's just an example to make you understand.

saad wrote:
rx10 wrote:

Let's say we have a value of \(100\). Now if it increases by \(30\)% it will be calculated as \((1 + \frac{30}{100})*100 = 130\)


okay but why specifically 30% and how did you get that 30%
Intern
Intern
Joined: 30 Aug 2021
Posts: 25
Own Kudos [?]: 11 [0]
Given Kudos: 12
Send PM
Re: Profit Per Student (in Dollars) at Dan’s Dojo, [#permalink]
rx10 wrote:
It's just an example to make you understand.

saad wrote:
rx10 wrote:

Let's say we have a value of \(100\). Now if it increases by \(30\)% it will be calculated as \((1 + \frac{30}{100})*100 = 130\)


okay but why specifically 30% and how did you get that 30%


oh shit shit my bad i didnt realize it
User avatar
GRE Prep Club Legend
GRE Prep Club Legend
Joined: 07 Jan 2021
Posts: 5006
Own Kudos [?]: 74 [0]
Given Kudos: 0
Send PM
Re: Profit Per Student (in Dollars) at Dans Dojo, [#permalink]
Hello from the GRE Prep Club BumpBot!

Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Prep Club for GRE Bot
Re: Profit Per Student (in Dollars) at Dans Dojo, [#permalink]
Moderators:
GRE Instructor
77 posts
GRE Forum Moderator
37 posts
Moderator
1111 posts
GRE Instructor
228 posts

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne