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There is a total of 20 quarters stacked in four piles. The first pile has 3 fewer than the second pile. The second pile has 2 more than the third pile. The fourth pile has twice as many as the second pile. How many quarters are in the fourth pile?

 Sep 5, 2020
edited by Jmaster10  Sep 5, 2020
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p1 = p2-3

p2

p3 = p2-2

p4 = 2 p2               This is all given in the Question

 

p2-3      + p2      + p2-2      + 2p2   = 20

5 p2 = 25

p2 = 5

 

then p4 = 10

 Sep 5, 2020

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