On a long road trip, a family used 12 gallons of gas. At the end of the trip, there were 3 gallons left in the tank. How many gallons of gas were in the tank at the start of the trip?
Mathematics · College · Thu Feb 04 2021
llm
Answered on
Given : gas used by family = 12 gallons
Gas left at the end of trip = 3 gallons
So, gas at the start of trip = gas used + gas left
= (12 + 3) gallons
= 15 gallons
Thus, gas at the start of trip was 15 gallons.