Initially a pool contains 340 gallons of water. A hose is placed in the pool, and the water is turned on. The hose adds 5.2 gallons of water per minute. Write an equation to represent the total amount V of water in the pool in terms of x, the number of minutes the hose has been on.

The pool starts with 340 gallons, so 340 is the initial amount. The hose adds 5.2 gallons each minute, so after x minutes it adds 5.2x gallons. Therefore, V = 5.2x + 340, the equation for an initial amount of 340 gallons increasing by 5.2 gallons per minute.

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