A car is driven for 2 hours at 50 mph and gets 25 miles per gallon: how many miles are driven and how much gas is used?

Answer: 100 miles, 4 gallons used

Step-by-step explanation:

Dist = rate * time = 50 mi/hr * 2 hr = 100 mi

Miles = gallons * miles/gallon. 100 = gallons*25mpg. Gallons = 100/25 = 4