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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1053
GPA: 3.39
A camera lens filter kit containing 5 filters sells for $57.50. If the
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18 Apr 2022, 10:01
18 Apr 2022, 10:01
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Question Stats:
80% (02:37) correct
20% (02:03) wrong based on 5 sessions
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A camera lens filter kit containing 5 filters sells for $57.50. If the filters are purchased individually, 2 of them are priced at $10.45 each, 2 at $12.05 each, 1 at $17.50. The amount saved by purchasing the kit is what percent of the total price of the 5 filters purchased individually?
A) 7%
B) 8%
C) 8.5%
D) 10%
E) 11%
A) 7%
B) 8%
C) 8.5%
D) 10%
E) 11%
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: A camera lens filter kit containing 5 filters sells for $57.50. If the
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18 Apr 2022, 13:24
18 Apr 2022, 13:24
GeminiHeat wrote:
A camera lens filter kit containing 5 filters sells for $57.50. If the filters are purchased individually, 2 of them are priced at $10.45 each, 2 at $12.05 each, 1 at $17.50. The amount saved by purchasing the kit is what percent of the total price of the 5 filters purchased individually?
A) 7%
B) 8%
C) 8.5%
D) 10%
E) 11%
A) 7%
B) 8%
C) 8.5%
D) 10%
E) 11%
First, recognize that, one way to convert a fraction into a percent is to multiply the numerator by 100 and evaluate the new fraction.
For example, 1/4 = (100)(1)/4 percent = 100/4 percent = 25 percent
Likewise, 6/5 = (100)(6)/5 percent = 600/5 percent = 120 percent
Second, we need to recognize that there's a nice fraction hiding in 62.5
If we recognize that 0.625 = 5/8 [a useful conversion to know], then 62.5 = 500/8
So we have,
5/62.5 = (100)(5)/62.5 percent
= (100)(5)/(500/8) percent
= 500/(500/8) percent
= (500)(8/500) percent
= 8 percent
Cheers,
Brent
gmatclubot
Re: A camera lens filter kit containing 5 filters sells for $57.50. If the [#permalink]
18 Apr 2022, 13:24
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