If it takes Bill 8 minutes to peel 30 potatoes, how many potatoes can he peel in one hour?

If it takes Bill 8 minutes to peel 30 potatoes, how many potatoes can he peel in one hour?

A. 16
B. 120
C. 144
D. 225
E. 240

Answer: D

Source: Magoosh

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swerve: Legendary Member; Posts: 2226; Joined: Sun Oct 29, 2017 2:04 pm; Followed by:6 members

Re: If it takes Bill 8 minutes to peel 30 potatoes, how many potatoes can he peel in one hour?

by swerve » Tue Oct 20, 2020 12:48 pm

VJesus12 wrote: ↑
Tue Oct 20, 2020 5:36 am
If it takes Bill 8 minutes to peel 30 potatoes, how many potatoes can he peel in one hour?

A. 16
B. 120
C. 144
D. 225
E. 240

Answer: D

Source: Magoosh

$8$ minutes for $30$ potato
$1$ min for $\dfrac{30}{8}$ potato
$60$ minutes $\dfrac{30}{8]\cdot 60 = 225$ potato

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GMAT/MBA Expert

Scott@TargetTestPrep: GMAT Instructor; Posts: 7242; Joined: Sat Apr 25, 2015 10:56 am; Location: Los Angeles, CA; Thanked: 43 times; Followed by:29 members

Re: If it takes Bill 8 minutes to peel 30 potatoes, how many potatoes can he peel in one hour?

by Scott@TargetTestPrep » Sun Oct 25, 2020 1:43 pm

VJesus12 wrote: ↑
Tue Oct 20, 2020 5:36 am
If it takes Bill 8 minutes to peel 30 potatoes, how many potatoes can he peel in one hour?

A. 16
B. 120
C. 144
D. 225
E. 240

Answer: D

Solution:

Bill can peel 30/8 x 60 = 1800/8 = 225 potatoes in one hour.

Alternate Solution:

We can set up a proportion: “8 minutes is to 30 potatoes as 60 minutes is to x:”

8/30 = 60/x

8x = 1800

x = 225

Answer: D

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