anonymous
  • anonymous
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?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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precal
  • precal
|dw:1363286853504:dw|
anonymous
  • anonymous
Im still confused?
precal
  • precal
do you have a calculator? just divide those two numbers and that will be your solution

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More answers

anonymous
  • anonymous
Yes I divided them & got 0.50 which isn't correct?
precal
  • precal
|dw:1363287050870:dw|
anonymous
  • anonymous
15.25 mph 61 mph 45.75 mph 30.5 mph
anonymous
  • anonymous
Those are my answer?
anonymous
  • anonymous
It has to be one of those. & idk how to find it?
anonymous
  • anonymous
Can we do it step by step?
precal
  • precal
|dw:1363287108792:dw|that checks out
precal
  • precal
mph is miles per hours
anonymous
  • anonymous
what is D?
precal
  • precal
|dw:1363287263174:dw|
anonymous
  • anonymous
what is D??? & R? & T?
precal
  • precal
30.5 mph d is distance r is rate and t is time just your basic formula
anonymous
  • anonymous
so its 30.5?
anonymous
  • anonymous
mph?
precal
  • precal
yes 30.5 mph
Mertsj
  • Mertsj
Oh my goodness!!! How many minutes in an hour? 60 of course so 15.25 miles in 30 minutes = x miles in 60 minutes.
Mertsj
  • Mertsj
|dw:1363287452427:dw|
precal
  • precal
|dw:1363287515321:dw|
precal
  • precal
this is called a proportion and that is another way to do this problem....
precal
  • precal
notice everyone wants to help you at this point.......
anonymous
  • anonymous
Use dimensional analysis. miles per hour = \[\frac{\text{miles}}{\text{hours}} \] \[\frac{15+\frac{1}{4}}{\frac{30}{60}}=\frac{61}{2}=30.5 \]

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