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1. Sam can fill a certain order in 5 hours while Willy needs 9 hours to do the same job. Working together, how long will it take them to fill the order? Solution: 2. Rosie can wax her car in 2 hours. When she works together with Hannah, they can wax the car in 45 minutes. How long would it take Hannah to wax the car by herself? Solution: 3. A tub can be filled in 10 minutes and drained in 8 minutes. How long will it take to empty a full tub if the water is left on? Solution:

1. Sam can fill a certain order in 5 hours while Willy needs 9 hours to do the same job. Working together, how long will it take them to fill the order? Solution: 2. Rosie can wax her car in 2 hours. When she works together with Hannah, they can wax the car in 45 minutes. How long would it take Hannah to wax the car by herself? Solution: 3. A tub can be filled in 10 minutes and drained in 8 minutes. How long will it take to empty a full tub if the water is left on? Solution:

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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IV. 1. Sam can fill a certain order in 5 hours while Willy needs 9 hours to do the same job. Working together, how long will it take them to fill the order? Solution: Solve the following problems involving rational equation. Show your complete solution and box your final answer. Answers without solutions will be considered incorrect. 2. Rosie can wax her car in 2 hours. When she works together with Hannah, they can wax the car in 45 minutes. How long would it take Hannah to wax the car by herself? Solution: 3. A tub can be filled in 10 minutes and drained in 8 minutes. How long will it take to empty a full tub if the water is left on? Solution:
Transcribed Image Text:IV. 1. Sam can fill a certain order in 5 hours while Willy needs 9 hours to do the same job. Working together, how long will it take them to fill the order? Solution: Solve the following problems involving rational equation. Show your complete solution and box your final answer. Answers without solutions will be considered incorrect. 2. Rosie can wax her car in 2 hours. When she works together with Hannah, they can wax the car in 45 minutes. How long would it take Hannah to wax the car by herself? Solution: 3. A tub can be filled in 10 minutes and drained in 8 minutes. How long will it take to empty a full tub if the water is left on? Solution:
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