Question

Suppose a gas station marks its gasoline up 10%. If the gas station charges $3.63 per gallon of 87 octane gasoline, what does it pay for the gasoline?

Answer 1

$3.27

Explanation:

Multiply 3.63 x 0.1 (which is 10%) and you get 0.363, or 36¢. Subtract $3.63 - $0.36 = $3.27