110k views
4 votes
The gasoline gauge on a van initially read one third

1
3 full. When 1010 gallons were added to the​ tank, the gauge read three fourths
3
4 full. How many more gallons are needed to fill the​ tank?

1 Answer

6 votes
3/4 - 1/3 = 9/12 - 4/12 = 5/12

(5/12) / 10 = 1 / x
5/12x = 10
x = 10* 12/5
x = 120/5 = 24 gallons...so when full, the tank holds 24 gallons

so if it is already 3/4 full, then u just need 1/4 to fill
1/4(24) = 24/4 = 6......so u would need 6 more gallons to fill the tank up to full capacity.

User Angel Doza
by
6.5k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.