Answer:
the tank can hold 12.5 gallons when it is full
Step-by-step explanation:
Let's assume tank can hold 'x' gallons when it is full we are given
The gas gauge in a car shows it has 40% of a tank of gas
So, gas in car is and we have the car has about 5 gallons so, we can set it equal
and then we can solve for x
Multiply both sides 5
we get
So, the tank can hold 12.5 gallons when it is full