Write and solve an inequality for each of the following: 1. An elevator can carry up to 2,500 lb. Suppose the weight of an average adult is 150 lb. At most how many average-sized adults can safely ride the elevator at the same time?
2. Ms. Mincey is saving to take a trip to Las Vegas that will at least cost $675. Ms. Sims gives her $145 toward the trip. How much money will she have to save?
3. Hippos can weigh up to 5,300 pounds. A baby hippos current weight is 2,200 pounds. How much weight can he gain?