Abathtub contains 45 gallons of water and the total weight of the tub and water is approximately 688.025 pounds. you pull the plug and the
water begins to drain
let u represent the number of gallons of water that has drained from the tub since the plug was pulled. note that water weights 8345 pounds per
gallon
a write an expression in terms of u that represents the weight of the water that has drained from the tub (in pounds).
8.45v-688.025
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b. write an expression in terms of v that represents the total weight of the tub and water (in pounds).
1
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c. how much does the tub weigh when there is no water in it?
* pounds
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d. if the weight of the tub and water is 487.745 pounds, how many gallons of water have drained from the tub?
* gallons
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