# math

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Josh's gas tank is 1/5 full. After buying 7 gallons it is 7/10 full. How many gallons can his gas tank hold?

• math -

7 gallons = 7/10 tank - 2/10 tank

7 gallons = 5/10 tank = 1/2 tank

14 gallons = whole tank

• math -

14

• math -

Josh's gas tank is 1/5 full. After he buys 13 gallons of gas, it is 7/10 full. How many gallons can Josh tank hold?

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