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supatsarah Group Title

Charlie and Chang start at the same point and drive in opposite directions. Charlie drives 75 mph and Chang drives 51 mph. How far apart will they be in 3 hours?

  • one year ago
  • one year ago

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  1. joshi Group Title
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    the speed is given for both people and so is the time. you just have to find the distance. and distance/time = speed :)

    • one year ago
  2. supatsarah Group Title
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    @joshi that's what i need help with.

    • one year ago
  3. joshi Group Title
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    ok well it would help if you drew a diagram. |dw:1349552039690:dw|

    • one year ago
  4. joshi Group Title
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    so the O is the Origin and you call it 0 as well. we need to find 2 things for the solution. Chang's distance and Charlie's distance. so in math to make things easier we'll just call it a letter. so we can say charlie's distance= x miles and Chang's distance = y miles (or any other letter)

    • one year ago
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