princesscutie
princesscutie princesscutie
  • 13-01-2017
  • Mathematics
contestada

A collection of dimes and nickels is worth $4.50. There are 30 in total, how many of each are there.

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mike242 mike242
  • 13-01-2017
.10x + .05y = 4.50
x + y = 30
Is the formula
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