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
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
From 1940 to 1955, the percent increase in the number of televisions w
[#permalink]
31 Dec 2022, 07:13
31 Dec 2022, 07:13
Expert Reply
00:00
Question Stats:
85% (01:02) correct
14% (02:00) wrong based on 14 sessions
Hide Show timer Statistics
From 1940 to 1955, the percent increase in the number of televisions was closest to
A. 30
B. 130
C. 350
D. 450
E. 650
Re: From 1940 to 1955, the percent increase in the number of televisions w
[#permalink]
31 Dec 2022, 07:13
31 Dec 2022, 07:13
Expert Reply
Let's check the number of televisions line for each year....
In 1940, there were about 20 televisions, and in 1955, there were about 90 televisions.
Percent increase = 100(new - old)/old
= 100(90 - 20)/20
= 100(70)/20
= 100(3.5)
= 350
=
In 1940, there were about 20 televisions, and in 1955, there were about 90 televisions.
Percent increase = 100(new - old)/old
= 100(90 - 20)/20
= 100(70)/20
= 100(3.5)
= 350
=
Show: ::
C
Moderators:
