In 2001, the united states' oil consumption was 7,297.4 millions of barrels, while japan's was 1,979.4 millions of barrels. how many more barrels did the united states consume than japan?

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work