Mathematics, 09.10.2019 00:30 ronalescobar2002

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 60mph.
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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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 60mph. what is her average speed for the entire trip from home to the grocery store and back?

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Another question on Mathematics

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 60mph.
what is her average speed for the entire trip from home to the grocery store and back?