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The total cost of gasoline varies directly with the number of gallons purchased. Edie pays $22.68 for 12
gallons of gasoline. Which equation shows the relationship between the total cost of gasoline, c, and the
number of gallons purchased, n?

A. c = 1.89n
B. n = 22.68c
C. c = 22.68n
D. n = 1.89c

Respuesta :

Answer:

A

Step-by-step explanation:

take 22.68 and divide by 12 (1.89), so we know for every gallon of gas it cost $1.89. the problem states the amount of gallons purchased is n and the total cost is c. so, the total cost c is $1.89 times the gallons of gasoline purchased or c=1.89n

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