Math
posted by angie .
A gas tank is 1/4 full. Abby adds 4 gallons and now it is 5/8 full. How many gallons does the tank hold?

let the tank hold x gallons
(1/4)x + 4 = (5/8)x
times everybody by 8
2x + 32 = 5x
3x = 32
x = 10 2/3 gallons
Respond to this Question
Similar Questions

math
suppose that the gas tank of a car holds 12 gallons and that the car uses 1/ 20 of a gallon per mile .let x be the nuber of miles the car has gone since the tank was filled? 
math
Justin's gas tank is 1/4 full. After he buys 9 gallons of gas, it is 5/8 full. How many gallons can Justin's tank hold? 
math
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
The gas tank in Micheal's car can hold 18.0 gallons. If the tank currently contains 5.5 gallons, what fraction of the tank is full? 
math
Milan's gas tank is 1/5 full. After he buys 6 gallons of gas, it is 7/10 full. How many gallons can Milan's tank hold? 
algebra
while driving a car you realize that you only have one eighth gas remaining before you run out of gas you pull into a gas station and put is gallons of gas in your car's tank is now three fourths full how many gallons of gas does your … 
math
a fish tank that holds 80 gallons of water is 55 percent full how many gallons are in the tank now and how many more gallons are needed to fill the tank 
Math
Lance has g gallons of gas in his tank. If he adds 8 gallons to his gas tank, he will have 15 gallons in his tank. Write an equation that describes how many gallons of gas Lance currently has in his tank. 
math
gas tank is 1/6 full. after pumping 9 gallons gas it is 5/6 full. how much gas does tank hold? 
Equations with Fractions
Jose's gas tank is 3/10 full. After 6 gallons of gas it is 4/5 full. How many gallons can Jose's tank hold?