Lonnie went to the store to buy groceries she purchased 3 egg containers for 4.75 each and returned 3 milk containers for 2.50 each if she paid the cashier with a 15 bill how much change did Lonnie received?
4.75×3=14.25 ---------------------------------------- 2.50×3=7.5. ------------------------------------------- 14.25+7.5=21.75 ----------------------------------------------- she does not have enough money