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countonme123

  • 3 years ago

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?

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  1. countonme123
    • 3 years ago
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    help me out guys/girls. :)

  2. ganeshie8
    • 3 years ago
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    27 = 3(x+2x) solve for x

  3. countonme123
    • 3 years ago
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    3?

  4. ganeshie8
    • 3 years ago
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    yeah so x is first boy speed in the equation. can u figure out second boys speed ?

  5. countonme123
    • 3 years ago
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    yes i see twice as much so (2)3 = 6

  6. countonme123
    • 3 years ago
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    please view my next question as well

  7. countonme123
    • 3 years ago
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    it is similar but i dont think its the same steps thank you

  8. ganeshie8
    • 3 years ago
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    ok.. but did you get why we added the speeds in above case ?

  9. countonme123
    • 3 years ago
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    yes because that was the total distance apart

  10. ganeshie8
    • 3 years ago
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    cool.. post the next Q :)

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