Kerry drove 312 miles on 11 gallons of gas. She had 175 miles left to complete her trip. How many more gallons of gas would she need?
Mathematics · Middle School · Thu Feb 04 2021
Answered on
Given the statement:
Kerry drove 312 miles on 11 gallons of gas. She had 175 miles left to complete her trip.
Determine how many more gallons of gas would she need.
Solution:
In order to determine the gallons of gas needed, we simply need to find first the unit rate of gallons per mile.
= 11 gallons / 312 miles
= 0.035 gallons of gas per mile
multiply 0.035 by 175 to determine the gallons of gas needed.
= (0.035 gallons/mile)(175 miles)
= 6.2 gallons
Final answer:
6.2 gallons of gas is needed.