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  • 31-12-2017
  • Mathematics
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Ms.davis has 23 quarters and dimes worth 3.50. how many of each coin does she have

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lesliekolleroxrkcf
lesliekolleroxrkcf lesliekolleroxrkcf
  • 31-12-2017
q+d=23
.25q+.10d=3.50

25q+10d=350
d=23-q

25q+230-10q=350
15q=120
q=8
d=15


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