How much change will he get back?

Question

Alexander went to the store to buy some candy. He spent $0.75 on a pack of gum and $1.45 on

a candy bar. If he gives the cashier $3, how much change should he receive back?

Answer 1

3 - .75 - 1.45 = 3-2.20= .80 = 80 cents change

ignoring taxes and tips & getting shortchanged by the clerks, or arithmetic errors by clerks orthe customer