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Sophie bikes s miles per hour. Her friend, Rana, is slower. Rana bikes r miles per hour.
c
Rana and Sophie went for a 20-mile bike ride today. Each girl biked at her usual speed. How long did Sophie wait for Rana at the end of the route?

Respuesta :

ssjstar

Answer:

C x 20 + R x 20

Step-by-step explanation:

C x 20 + R x 20 or

20c + 20r

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