candyhearts2187 candyhearts2187
  • 13-05-2017
  • Mathematics
contestada

You have $3.70 in dimes and quarters. You have 5 more quarters than dimes. How many of each type of coin do you have?

Respuesta :

amandabmartin amandabmartin
  • 13-05-2017
x = quarters, y = dimes

.25x + .10y = 3.7
x = y+5

.25x + .10y = 3.7
x - y = 5

.35x = 4.2
x = 12

y = 7

12 quarters, 7 dimes
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