Ahmad's gas tank is full. After he buys gallons of gas, it is full. How many gallons can Ahmad's tank hold?

Question

Ahmad's gas tank is 14

 full. After he buys 6

 gallons of gas, it is 58

 full. How many gallons can Ahmad's tank hold?

Answer 1

x = 14% full

x+6 = 58% full

x=.14F

x+6 =.58F

.58F = .14F + 6

.58F-.14F = 6

.44F = 6

F = 6/.44 = about 13.64 gallon capacity