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Mathematics 21 Online
OpenStudy (berdiejoy):

Suppose gas costs $3.70 a gallon. We make a model for the cost C of buying x gallons of gas by writing the formula C =

OpenStudy (samirmath01):

\[3.7x\]

OpenStudy (samirmath01):

I mean \[ C = 3.7 x\]

OpenStudy (misssmartiez):

|dw:1457280260614:dw| Since we don't have that given factor to be x / _, we couldn't really do cross multiplication (if it was given then another story), but we would do 3.7x = C or C = 3.7x

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