the the volume of a balloon is increasing at the rate of 15 cubic meters per minute and the balloon has an initial volume of 13 cubic meters. Find the linear function that models the volume of the...

the the volume of a balloon is increasing at the rate of 15 cubic meters per minute and the balloon has an initial volume of 13 cubic meters. Find the linear function that models the volume of the balloon and find how long until the volume of the balloon is 499 cubic meters.