asani10 asani10
  • 30-11-2017
  • Mathematics
contestada

Is cellular telephone company charges $40 per month plus a $35 activation key. Write an expression for the total cost. Then evaluate your expression for 10 months of service.

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UrFavEl1 UrFavEl1
  • 30-11-2017
40x+35=y
x is the amount of months, y is the total price.
for 10 months just plug in 10 for x
40(10)+35=y
y=$435
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