A bathtub contains 50 gallons of water and the total weight of the tub and water is approximately 751.5 pounds. You pull the plug and the water begins to drain. Let v represent the number of gallons of water that has drained from the tub since the plug was pulled. Note that water weights 8.345 pounds per gallon. a. Write an expression in terms of v that represents the weight of the water that has drained from the tub (in pounds). 8.345v Preview b. Write an expression in terms of v that represents the total weight of the tub and water (in pounds). 751.5-8.345v Preview c. How much does the tub weigh when there is no water in it? 334.25 pounds Preview d. If the weight of the tub and water is 559.565 pounds, how many gallons of water have drained from the tub?
A bathtub contains 50 gallons of water and the total weight of the tub and water is approximately 751.5 pounds. You pull the plug and the water begins to drain. Let v represent the number of gallons of water that has drained from the tub since the plug was pulled. Note that water weights 8.345 pounds per gallon. a. Write an expression in terms of v that represents the weight of the water that has drained from the tub (in pounds). 8.345v Preview b. Write an expression in terms of v that represents the total weight of the tub and water (in pounds). 751.5-8.345v Preview c. How much does the tub weigh when there is no water in it? 334.25 pounds Preview d. If the weight of the tub and water is 559.565 pounds, how many gallons of water have drained from the tub?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter1: Variables, Expressions, And Integers
Section1.3: Order Of Operations
Problem 30E
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