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When you sign up for a movie service, you get three free months of movies. Then you are charged $15 per month to rent movies. If you pay $90, how many months of use do you get?

Respuesta :

treats
Youll get 9 months with 90 dollars because you get 3 free months and 6 months with 15/per month its 90.

Answer:

9 months

Step-by-step explanation:

Let x represent the number of months.  Since you get 3 free months, this gives us the expression x-3.  Since each month is $15, this gets multiplied; this gives us

15(x-3)

Since you pay $90, this gives us the equation

15(x-3) = 90

Using the distributive property, we have

15(x)-15(3) = 90

15x-45 = 90

Add 45 to each side:

15x-45+45 = 90+45

15x = 135

Divide both sides by 15:

15x/15 = 135/15

x = 9

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