Question

The total cost of gasoline varies directly with the number of gallons purchased. Kathy pays $23.36 for 16 gallons of gasoline. Which equation

shows the relationship between the total cost of gasoline, c, and the number of gallons purchased, n?
•
A.C= 1.46n
.
B. n = 1.46c
.
•
C.C = 23.361
D. n = 23.36c

Answer 1

The correct equation that represents the direct variation between the total cost of gasoline and the number of gallons purchased is C = 1.46n.

Step-by-step explanation:

The question involves finding the equation that represents the direct variation between the total cost of gasoline c, and the number of gallons purchased n. Kathy pays $23.36 for 16 gallons of gasoline. To find the unit price, we divide the total cost by the number of gallons:

$23.36 ÷ 16 gallons = $1.46 per gallon

Since the total cost varies directly with the number of gallons, we can express this as c = $1.46 × n. Thus, option A, C = 1.46n, shows the correct relationship between the total cost of gasoline, c, and the number of gallons purchased, n.

Answer 2

A. C=1.46n because on order to find the constant rate you would divide 23.36/16 which gives you 1.46. That is the price of 1 gallon which would change depending on the amount of falling a purchased (n) and give you the total price of (C).