Asked by imani
a purse contains $7.45 in quarters and dimes 13 more quarters than dimes how many quarters and how many dimes are there
Answers
Answered by
bobpursley
10D+25Q=7 45
but Q-13=D
or 10(Q-13)+25Q=7 45
or 35Q=745+130=775
Q=25
but Q-13=D
or 10(Q-13)+25Q=7 45
or 35Q=745+130=775
Q=25
Answered by
Reiny
number of dimes ---- x
number of quarters ---- x+13
10x + 25(x+13) = 745
solve for x
number of quarters ---- x+13
10x + 25(x+13) = 745
solve for x
Answered by
Morgan
12 dimes and 25 quarters
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