khash70 khash70

25-09-2018
Mathematics

contestada

Valley video charges a 15$ annual fee plus $3 per movie for rentals. Last year, Jennifer spent $99 at the store. How many movies did she rent?

Respuesta :

hammerheart hammerheart

25-09-2018

3x+15= 99
99 - 15= 84

3x=84
84÷3=28
x=28

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