labodeguita8963 labodeguita8963
  • 15-10-2021
  • Mathematics
contestada

Nicole has 28 nickels and dimes that amount to $1.85 how many of each coin does she have.

Respuesta :

lliissaa1116 lliissaa1116
  • 15-10-2021
X+Y= 28
5x+10y=185

-5(X+Y= 28)
5x+10y=185

-5x-5y=-140
5x+10y=185

5y=45
Y=9

28-9= 19
X=19

19 nickels
9 dimes

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