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Mathematics, 29.01.2020 19:01 blondie02

Plz hurry 30 pts for first one

starting at home, ishaan traveled uphill to the grocery store for 12 minutes at just 15 mph. he then traveled back home along the same path downhill at a speed of 30 mph. what is his average speed for the entire trip from home to the grocery store and back?

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Plz hurry 30 pts for first one

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