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xxDeppressionxx:

The total cost of gasoline varies directly with the number of gallons purchased. Gas costs $1.89 per gallon. Write a direct variation to model the total cost c for g gallons of gas. c = 1.89g g = 1.89c c = g + 1.89

dgreer4:

I'm going to give u a clue. The direct variation between the total cost c and the number of gallons g of the gas may be expressed as the following,c = kg, where k is the constant of variation. Hope this helps you.

Hoodmemes:

I'm pretty sure u can cross off answer option C

dgreer4:

the answer is not g=1.89c. That's for sure.

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