Asked by mike
Benjamin has $7.40 in change in his pocket, all in dimes and quarters, he has 44 coins in all. How many dimes does he have?
Answers
Answered by
PsyDAG
Q = 44 - D
10D + 25Q = $7.40
Substitute 44-D for Q in the second equation and solve for D.
10D + 25Q = $7.40
Substitute 44-D for Q in the second equation and solve for D.
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