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baherus [9]
3 years ago
8

Sophie bikes at a speed of s MPH and Rana bikes at a speed of r Mph. Rana took a bike ride that was m mile long. How long did sh

e spend biking?
Mathematics
2 answers:
MrMuchimi3 years ago
6 0

Answer:

For this problem I got (20/r)-(20/s).  

Step-by-step explanation:

Savatey [412]3 years ago
4 0

Answer:

r/m

Step-by-step explanation:

you need to have speed over distance to tell how long rana webt

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Answer:

no!

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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4 0
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Choose the best score on a quiz. 24 points out of 42 24 points out of 42 75 points out of 135 75 points out of 135 150 points ou
stellarik [79]

Answer:

150/250

Step-by-step explanation:

24/42, 75/135, 150/250, and 75/150 I believe is what you're asking. We know 75/135 is better than 75/150 so 75/150 is out of the equation. If we multiple 75/135 by 2 we get 150/270 which is more than 150/250, so 75/135 is out of the equation. Now to compare 24/42 and 150/250 we can divide their fractions, if we divide 24/42 we get 0.57, so 57%. If we did 150/250 we get 0.6 or 60%. So 150/250 is the best score.

8 0
2 years ago
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