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Mathematics, 23.07.2019 01:00 amourayanna321

Starting at home, jessica traveled uphill to the grocery store for 18 minutes at just 20 mph. she then traveled back home along the same path downhill at a speed of 60 mph. what is her average speed for the entire trip from home to the grocery store and back?

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Starting at home, jessica traveled uphill to the grocery store for 18 minutes at just 20 mph. she th...
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