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Two boys on bicycles start from the same place and ride in opposite directions. One rides twice as fast as the other one. In 3 hours, they are 27 kilometers apart. What is the rate of speed for each boy?

Mathematics
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help me out guys/girls. :)
27 = 3(x+2x) solve for x
3?

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Other answers:

yeah so x is first boy speed in the equation. can u figure out second boys speed ?
yes i see twice as much so (2)3 = 6
please view my next question as well
it is similar but i dont think its the same steps thank you
ok.. but did you get why we added the speeds in above case ?
yes because that was the total distance apart
cool.. post the next Q :)

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