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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.

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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2 votes
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.

asked
User Dmubu
by
8.0k points

1 Answer

5 votes
Jayne will need to drive 40 mph on the way back.
answered
User Martin Jambon
by
7.8k points
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