Asked by Sammy

John has 11 more quarters than dimes. He has a total of $7.65. How many quarters and dimes does he have?
Answered by Mac
Q = 11 + D
25Q + 10D = 765
Answered by PsyDAG
Substitute 11+D for Q in second equation and solve for D. Insert that value into the first equation and solve for Q. Check by inserting both values into the second equation.
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