John bought a shirt, a pair of pants, and a pair of shoes

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VJesus12: Legendary Member; Posts: 2276; Joined: Sat Oct 14, 2017 6:10 amFollowed by: 3 members

by VJesus12 » Mon May 14, 2018 1:36 am

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John bought a shirt, a pair of pants, and a pair of shoes, which cost $10, $20, and $30, respectively. What percent of the total expense was spent for the pants?

(A) 16 2/3/%
(B) 20%
(C) 30%
(D) 33 1/3%
(E) 60%

The OA is the option D.

Is there a formula to solve this PS question? I'd appreciate any help here? Thanks.

Source: Beat The GMAT — Problem Solving | Mon May 14, 2018 1:36 am

GMATGuruNY: GMAT Instructor; Posts: 15539; Joined: Tue May 25, 2010 12:04 pmFollowed by: 1906 members; Location: New York, NY; Thanked: 13060 times; GMAT Score:790

by GMATGuruNY » Mon May 14, 2018 2:38 am

VJesus12 wrote:John bought a shirt, a pair of pants, and a pair of shoes, which cost $10, $20, and $30, respectively. What percent of the total expense was spent for the pants?

(A) 16 2/3/%
(B) 20%
(C) 30%
(D) 33 1/3%
(E) 60%

(pant cost)/(total cost) = 20/(10+20+30) = 20/60 = 1/3 = 33⅓%.

The correct answer is D.

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swerve: Legendary Member; Posts: 2604; Joined: Sun Oct 29, 2017 2:04 pmFollowed by: 6 members

by swerve » Mon May 14, 2018 11:21 am

Total expense = $10 + $20 + $30 = $60

Spent on pants = $20

Required percent = 20/60 * 100 = 33 1/3%.

Hence option D is the correct answer.

Jeff@TargetTestPrep: GMAT Instructor; Posts: 1462; Joined: Thu Apr 09, 2015 9:34 amFollowed by: 22 members; Location: New York, NY; Thanked: 39 times

by Jeff@TargetTestPrep » Tue May 15, 2018 3:40 pm

VJesus12 wrote:John bought a shirt, a pair of pants, and a pair of shoes, which cost $10, $20, and $30, respectively. What percent of the total expense was spent for the pants?

(A) 16 2/3/%
(B) 20%
(C) 30%
(D) 33 1/3%
(E) 60%

Pants were 20/60 = 1/3 = 33 1/3% of the total.

Answer: D

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