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31 March, 10:43

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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  1. 31 March, 11:40
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    His average speed is 22.5 mph.
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