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Foreverisabell Group Title

I have no idea how to do this. HELP PLEASE..Your grandmother called and asked you to come over. You rode your bike 15.25 miles in 30 minutes. How many miles per hour did you travel?

  • one year ago
  • one year ago

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  1. precal Group Title
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    |dw:1363286853504:dw|

    • one year ago
  2. Foreverisabell Group Title
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    Im still confused?

    • one year ago
  3. precal Group Title
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    do you have a calculator? just divide those two numbers and that will be your solution

    • one year ago
  4. Foreverisabell Group Title
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    Yes I divided them & got 0.50 which isn't correct?

    • one year ago
  5. precal Group Title
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    |dw:1363287050870:dw|

    • one year ago
  6. Foreverisabell Group Title
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    15.25 mph 61 mph 45.75 mph 30.5 mph

    • one year ago
  7. Foreverisabell Group Title
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    Those are my answer?

    • one year ago
  8. Foreverisabell Group Title
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    It has to be one of those. & idk how to find it?

    • one year ago
  9. Foreverisabell Group Title
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    Can we do it step by step?

    • one year ago
  10. precal Group Title
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    |dw:1363287108792:dw|that checks out

    • one year ago
  11. precal Group Title
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    mph is miles per hours

    • one year ago
  12. Foreverisabell Group Title
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    what is D?

    • one year ago
  13. precal Group Title
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    |dw:1363287263174:dw|

    • one year ago
  14. Foreverisabell Group Title
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    what is D??? & R? & T?

    • one year ago
  15. precal Group Title
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    30.5 mph d is distance r is rate and t is time just your basic formula

    • one year ago
  16. Foreverisabell Group Title
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    so its 30.5?

    • one year ago
  17. Foreverisabell Group Title
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    mph?

    • one year ago
  18. precal Group Title
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    yes 30.5 mph

    • one year ago
  19. Mertsj Group Title
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    Oh my goodness!!! How many minutes in an hour? 60 of course so 15.25 miles in 30 minutes = x miles in 60 minutes.

    • one year ago
  20. Mertsj Group Title
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    |dw:1363287452427:dw|

    • one year ago
  21. precal Group Title
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    |dw:1363287515321:dw|

    • one year ago
  22. precal Group Title
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    this is called a proportion and that is another way to do this problem....

    • one year ago
  23. precal Group Title
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    notice everyone wants to help you at this point.......

    • one year ago
  24. robtobey Group Title
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    Use dimensional analysis. miles per hour = \[\frac{\text{miles}}{\text{hours}} \] \[\frac{15+\frac{1}{4}}{\frac{30}{60}}=\frac{61}{2}=30.5 \]

    • one year ago
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