Answers

2014-06-28T14:28:46+08:00
J= x+5, A=x, D=2x
Add all the x's. There are 4. So 4x+5=29.
Do the backward method. 
29-5=24, 24÷4=6
x=6
Apeli has 6 cards. Joel has 11 cards and Devon has 12 cards. 
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