Jose's gas tank is 1/5 full. After he buys 9 gallons of gas, it is 7/10 full. How many gallons can Jose's tank hold?

Respuesta :

Answer:

  • 18 gallons

Step-by-step explanation:

Let the capacity of tank is x

  • 1/5x + 9 = 7/10x
  • 2/10x + 9 = 7/10x
  • 5/10x = 9
  • 1/2x = 9
  • x = 18 gallons