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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 she spend biking?

Respuesta :

koa5

Answer:

r/m

Step-by-step explanation:

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

intannatalia2212

Answer:

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

Step-by-step explanation:

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