Asked by Kyle
Logan saves $5.50 in dimes and quarters over a week. He has 20 more dimes than quarters. Find the number of dimes and quarters he saves.
Answers
Answered by
PsyDAG
D = Q + 20
.10D + .25Q = 5.50
Substitute Q+20 for D and solve for Q. Insert Q value in first equation to find D. Put both values into the second equation to check.
.10D + .25Q = 5.50
Substitute Q+20 for D and solve for Q. Insert Q value in first equation to find D. Put both values into the second equation to check.
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