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anonymous
 one year ago
Nina can ride her bike 63,360 feet in 3,400 seconds, and Sophia can ride her bike 10 miles in 1 hour. What is Nina's rate in miles per hour if there are 5,280 feet in a mile?
Which girl bikes faster?
anonymous
 one year ago
Nina can ride her bike 63,360 feet in 3,400 seconds, and Sophia can ride her bike 10 miles in 1 hour. What is Nina's rate in miles per hour if there are 5,280 feet in a mile? Which girl bikes faster?

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tkhunny
 one year ago
Best ResponseYou've already chosen the best response.1Dimensional Analysis \(\dfrac{63360\;ft}{3400\;sec}\cdot\dfrac{1\;mile}{5280\;ft}\cdot\dfrac{3600\;sec}{1\;hr} = \) What \(\dfrac{miles}{hour}\)?

tkhunny
 one year ago
Best ResponseYou've already chosen the best response.1What did you get? Can you do other transformations?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\frac{63360}{\frac{5280\ 3400}{3600}}=\frac{216}{17}=12.7059 \text{ mph} \] Sorry, LaTex is not reproducing the text that it was fed.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I got 12.7. And it was one of my answer choices,

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you too robtobey!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Very good. Congratulations.
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