SOLUTION: Johnny,Alex, and Peter wanted to purchase a remote control airplane that would cost them $80. They decided to put together their allowances to purchase the item. How much money wou
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Question 610330: Johnny,Alex, and Peter wanted to purchase a remote control airplane that would cost them $80. They decided to put together their allowances to purchase the item. How much money would each person contribute if Peter has $5 less than Alex who has twice as much as Johnny?
Answer by flame8855(424) (Show Source): You can put this solution on YOUR website!
j+a+p = 80
p = a-5
a = 2j
p = 2j-5
j+2j+2j-5 =80
5j = 85
j = 17
a = 34
p= 29
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