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PLEASE HELP Jayne drove 20 mph to her grandparents house. how fast must she drive back on the return trip to average 30 mph for the round trip.
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PLEASE HELP

Jayne drove 20 mph to her grandparents house. how fast must she drive back on the return trip to average 30 mph for the round trip.

User Dmubu
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1 Answer

5 votes
Jayne will need to drive 40 mph on the way back.
User Martin Jambon
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