Arithmetic, Geometry

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swerve: Legendary Member; Posts: 2499; Joined: Sun Oct 29, 2017 2:04 pm; Followed by:6 members

Arithmetic, Geometry

by swerve » Fri Jun 26, 2020 4:33 am

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A certain farmer pays $30 per acre per month to rent farmland. How much does the farmer pay per month to rent a rectangular plot of farmland that is 360 feet by 605 feet? (43,560 square feet = 1 acre)

A. $5,330
B. $3,360
C. $1,350
D. $360
E. $150

The OA is E

Source: GMAT Prep

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Source: Beat The GMAT — Problem Solving | Fri Jun 26, 2020 4:33 am

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Scott@TargetTestPrep: GMAT Instructor; Posts: 8085; Joined: Sat Apr 25, 2015 10:56 am; Location: Los Angeles, CA; Thanked: 43 times; Followed by:29 members

Re: Arithmetic, Geometry

by Scott@TargetTestPrep » Sun Jul 05, 2020 8:32 am

swerve wrote: ↑
Fri Jun 26, 2020 4:33 am
A certain farmer pays $30 per acre per month to rent farmland. How much does the farmer pay per month to rent a rectangular plot of farmland that is 360 feet by 605 feet? (43,560 square feet = 1 acre)

A. $5,330
B. $3,360
C. $1,350
D. $360
E. $150

The OA is E

Solution:

The number of acres of land the farmer rents is (360 x 605) / 43,560 =(360 x 605) / (360 x 121) = 605/121 = 5 acres. Therefore, his monthly rent is 30 x 5 = $150.

Answer: E

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