You can put this solution on YOUR website! abby has 44 coins consisting of dimes and quarters worth $7.25. how many quarters and how many dimes does she have?
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let x=number of dimes
44-x=number of quarters
..
.10x+.25(44-x)=7.25
.10x+11-.25x=7.25
.15x=3.75
x=25
44-x=19
number of dimes=25
number of quarters=19
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