207/9 = 23 miles per gallon. Simple!
The car averaged about 25.5 miles per gallon.
Miles per gallon = distance/gallons 200/12.5 = 16 miles per gallon.
189 miles = 7 gallons 27 miles = 1 gallon 297 / 27 = 11 gallons
He travelled 31.5 miles per gallon.
31.2 mpg
400 gallons
360/12 = 30 miles per gallon.
800 miles @ 25 miles/gallon = 800/25 = 32 gallons.32 gallons @ 4 dollars/gallon = 32*4 = 128 dollars.800 miles @ 25 miles/gallon = 800/25 = 32 gallons.32 gallons @ 4 dollars/gallon = 32*4 = 128 dollars.800 miles @ 25 miles/gallon = 800/25 = 32 gallons.32 gallons @ 4 dollars/gallon = 32*4 = 128 dollars.800 miles @ 25 miles/gallon = 800/25 = 32 gallons.32 gallons @ 4 dollars/gallon = 32*4 = 128 dollars.
Divide the miles per gallon into the number of miles traveled to give you the number of gallons used. Then multiply the number of gallons used by the cost of the gas per gallon to give you the total cost. As this is your homework you need to do the actual sums yourself to get the answer or you will not learn how to do this sort of calculation.
miles ÷ (miles/gallon) * ($/gallon) = miles * (gallons/mile) * ($/gallon) = (miles * gallons * $) / (miles * gallons) = $ So divide 560 mi by the vehicle's fuel economy, then multiply the quotient by the fuel cost.
870 miles divided by 22 miles per gallon =gallons 870/22 = 39.5 gallons
miles=458 gallons=19.2 miles per gallon=miles/gallon 458/19.2=23.854 mpg