The Kirkland’s have a pool in their backyard that can hold a maximum of 4,500 gallons of water. The pool already contains 1,500 gallons of water. Mr. Kirkland begins to add more water at a rate of 30 gallons per minute. Write an inequality that shows the number of minutes, m, Mr. Kirkland can continue to add water to the pool without exceeding the maximum number of gallons.