Mathematics, 29.07.2019 06:00 alizpleyer
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?
Answers: 2
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Sophie bikes at a speed of s miles per hour. her friend rana is slower, her biking speed is only r m...
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