lostgirl14480
lostgirl14480 lostgirl14480
  • 22-02-2018
  • Mathematics
contestada

how many quarters and dimes of 80 coins make up 14.45

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meredith48034
meredith48034 meredith48034
  • 22-02-2018
q + d = 80
.25q + .10d = 14.45

q. + d= 80
25q + 10d = 1445

-10q. - 10d = -800
25q + 10d = 1445

15q. = 645

q = 43 quarters

43 + d = 80

d= 37 dimes
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