SOLUTION: John has $1.50 in nickels and dimes in his pocket. He has three more nickels than he does dimes. How many of each does he have?

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Question 1006046: John has $1.50 in nickels and dimes in his pocket. He has three more nickels than he does dimes. How many of each does he have?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
system%280.05n%2B0.1d=1.5%2Cn-d=3%29

system%28n%2B2d=30%2Cn-d=3%29

Ready for eliminating n.
3d=27
d=9

n-d=3
n=3%2Bd
n=3%2B9
n=12

Answer by ikleyn(52781) About Me  (Show Source):