When he filled his gas tank, Allen noticed that the gas gauge indicated that he had used 5/8 of the tank. let x= the total capacity of the tank. Let Y= the amount of gas used. write an equation relating x and y at the time he filled the tank.
B: ~His gas tank took 7.5 gallons to fill, what is the total capacity of his gas tank?

Question

When he filled his gas tank, Allen noticed that the gas gauge indicated that he had used 5/8 of the tank. let x= the total capacity of the tank. Let Y= the amount of gas used. write an equation relating x and y at the time he filled the tank.
B: ~His gas tank took 7.5 gallons to fill, what is the total capacity of his gas tank?

shane_b · Answer

If he used 5/8ths of the tank, the equation for that would be:
y=(5/8)x

For the second part he filled up 3/8ths of the tank and used 7.5 gallons to do so:
(3/8)x=7.5

Just solve for x.

anonymous · Answer

@Shane_B  That makes sense. Thank you

shane_b · Answer

np