If you buy a car wash at the gas station for $6.00, the cost per gallon is $2.35. If you have $40, find the number of gallons of
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Divide 3 apples by $2.50 to get the unit price, $1.20 (The constant of proportionality)
Then multiply 12 apples by the constant ($1.20)
Your final answer should be $14.40
