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Zach and Ethan live 14 miles apart. Zach walks at a rate of 3 mph and Ethan walks 4mph. How long will it take for them to meet if they leave their homes at the same time?

 Dec 21, 2018
 #1
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+2

Since they are walking in opposite directions, we add their rates. 3+4=7mph. Now, we divide from 14 to get an answer of 2.

 Dec 21, 2018
 #2
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two hours?

Guest Dec 21, 2018
 #3
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Yeah, I think that's what he meant.

tertre  Dec 21, 2018
 #4
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Correct......2 hours......!!!

 

 

 

cool cool cool

CPhill  Dec 21, 2018

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