Problema Solution
A student at a university makes money by buying and selling used cars. Charles bought a used car and later sold it for a 10% profit. If he sold it for $4565, how much did Charles pay for the car?
Answer provided by our tutors
let x = the money Charles paid for the car
x(1 + 0.10) = 4565
by solving we find
x = $4,150
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Charles paid $4,150 for the car.