A cake recipe requires \(3\frac{1}{4}\) cups of flour for 13 servings and \(4\frac{1}{2}\) cups of flour for 18 servings. How much flour is required to make a cake that serves 28?
Multiple Representations Robert is in charge of the community swimming pool. Each spring he drains it in order to clean it. Then he refills the pool, which holds 120,000 gallons of water. Robert fills the pool at a rate of 10 gallons each minute.
a. Words What is the rate at which Robert will fill the pool? Is it constant?
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