SOLUTION: marry has 12.50 in twenty-five centavo coins and ten centavo coins. He has 8 more twenty-five centavo coins than ten centavo coins.

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Question 1194753: marry has 12.50 in twenty-five centavo coins and ten centavo coins. He has 8 more twenty-five centavo coins than ten centavo coins.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Marry? He who?


system%28q-d=8%2C25q%2B10d=1250%29

-d=8-q
d=q-8
Substitution and then algebra steps:
5q%2B2d=250
5q%2B2%28q-8%29=250
5q%2B2q-16=250
7q=266
q=38
&
d=30

38 of the twentyfive-centavo coins
30 of the ten-centavo coins