condesavvasrealize.com/assignments/viewer/classes/cf4e681271a04d768ed457ea88ac570e/assignments/a228b6c632614ef7aa0f04a03a54c22f/contents/8c9a896e-eb5e-3565-95b9-4d3f4f31...MathXL for School: Practice & Problem Solving1.6.PS-21Question HelpChallenge A gold mine has two elevators, one for equipment and another for the miners. Theequipment elevator descends 7 feet per second. The elevator for the miners descends 16 feet persecond. One day, the equipment elevator begins to descend. After 29 seconds, the elevator for theminers begins to descend. What is the position of each elevator relative to the surface after another15 seconds? At that time, which elevator is deeper?

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25-10-2022
Mathematics

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condesavvasrealize.com/assignments/viewer/classes/cf4e681271a04d768ed457ea88ac570e/assignments/a228b6c632614ef7aa0f04a03a54c22f/contents/8c9a896e-eb5e-3565-95b9-4d3f4f31...MathXL for School: Practice & Problem Solving1.6.PS-21Question HelpChallenge A gold mine has two elevators, one for equipment and another for the miners. Theequipment elevator descends 7 feet per second. The elevator for the miners descends 16 feet persecond. One day, the equipment elevator begins to descend. After 29 seconds, the elevator for theminers begins to descend. What is the position of each elevator relative to the surface after another15 seconds? At that time, which elevator is deeper?

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AidonL26245 AidonL26245 · Answer 1 · 2022-10-25T14:09:24+02:00

Given

The equipment elevator (EE) descends 7 feet per second. The elevator for the miners descends 16 feet per second. One day, the equipment elevator begins to descend. After 29 seconds, the elevator for the miners (EM) begins to descend.

[tex]29\sec \text{. EE=7}\times29feet\text{ de}ep\text{ =203}[/tex][tex]15\sec \text{. EM =15}\times16feet\text{ d}eep\text{ 240}[/tex][tex]\begin{gathered} \text{now, EE =(7}\times29)\text{ +(7}\times15)=105+203 \\ \text{Hence, 308ft d}eep \end{gathered}[/tex][tex]EM\text{ =240ft de}ep[/tex]

[tex]\text{And, EE =308ft de}ep[/tex]

EE is deeper