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Chris plays solitaire at a constant rate of 3 hands in 20 minutes. How many hands of solitaire can Chris play in 2 hours

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Chris plays solitaire at a constant rate of 3 hands in 20 minutes. How many hands of solitaire can Chris play in 2 hours

by VJesus12 » Wed Aug 19, 2020 6:42 am

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Chris plays solitaire at a constant rate of 3 hands in 20 minutes. How many hands of solitaire can Chris play in 2 hours?

A. 6
B. 9
C. 12
D. 18
E. 20

Answer: D

Source: Princeton Review
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Re: Chris plays solitaire at a constant rate of 3 hands in 20 minutes. How many hands of solitaire can Chris play in 2 h

by Scott@TargetTestPrep » Sat Aug 22, 2020 10:50 am
VJesus12 wrote: ↑
Wed Aug 19, 2020 6:42 am
 Chris plays solitaire at a constant rate of 3 hands in 20 minutes. How many hands of solitaire can Chris play in 2 hours?

A. 6
B. 9
C. 12
D. 18
E. 20

Answer: D

Solution:

Since 2 hours = 120 minutes, we can create the proportion:

3/20 = x/120

20x = 360

x = 18

Answer: D

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