One pipe can empty a tank in 3 hours. A second pipe takes 4 hours to complete the same job. How long will it take to empty the tank if both pipes are used? A. 1 and 5/7 hours C. 2 and 1/4 hours B. 1 and 3/4 hours D. 2 and 3/4 hours Solution Click here to… Jhun Vert Fri, 06/07/2024 - 18:35 Solution Click here to expand or collapse this section $\left( \dfrac{1}{3} + \dfrac{1}{4} \right) t = 1$ $t = 1\frac{5}{7} ~ \text{hrs}$ Log in or register to post comments Log in or register to post comments
Solution Click here to… Jhun Vert Fri, 06/07/2024 - 18:35 Solution Click here to expand or collapse this section $\left( \dfrac{1}{3} + \dfrac{1}{4} \right) t = 1$ $t = 1\frac{5}{7} ~ \text{hrs}$ Log in or register to post comments
Solution Click here to…