ramandeep ramandeep

11-03-2018
Mathematics

contestada

Sophie bikes at a speed of s miles per hour. Her friend Rana is slower, her biking speed is only r miles per hour.

Today the girls went for a 20 miles trip, each girl was biking at her usual speed. How long did Sophie wait for Rana after her own arrival to the finish?

Respuesta :

Anonymous0242 Anonymous0242

13-03-2018

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

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ItemAsylum ItemAsylum

01-03-2022

Answer:

She waited for 20/r-20/s at the end of the line.

Step-by-step explanation:

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