anonymous
  • anonymous
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
katieb
  • katieb
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anonymous
  • anonymous
help me out guys/girls. :)
ganeshie8
  • ganeshie8
27 = 3(x+2x) solve for x
anonymous
  • anonymous
3?

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ganeshie8
  • ganeshie8
yeah so x is first boy speed in the equation. can u figure out second boys speed ?
anonymous
  • anonymous
yes i see twice as much so (2)3 = 6
anonymous
  • anonymous
please view my next question as well
anonymous
  • anonymous
it is similar but i dont think its the same steps thank you
ganeshie8
  • ganeshie8
ok.. but did you get why we added the speeds in above case ?
anonymous
  • anonymous
yes because that was the total distance apart
ganeshie8
  • ganeshie8
cool.. post the next Q :)

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