Billy's car gets 25 miles per gallon of gas. If Wilmington, DE is 150 miles away, how many gallons of gas is he going to need to get to Wilmington and come back home?
Ryan has 10 quarters. Kelly has exactly seven times as much money as Ryan. They will combine their money to buy a game. The game costs $27. How much more money do they need to save?
Sam wants to buy a remote control dune buggy that is 30% off. The original price is $200.11. What is amount of discount(nearest penny)?