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The cost of a family membership at a local gym is $58 per month plus a one time start fee of $129.If a family spent $651,how many months is their membership

Respuesta :

hroscoe
651 = 129 + 58x;
-129 -129
522= 58x; divide both sides by 58 to isolate x, and you get x=9, so they have had the membership nine months

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