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Mathematics, 12.10.2020 07:01 19colemankl

Mary and Greta live 21 miles apart. At 1:00 P. M. they start riding their bicycles toward each other and meet a
1:45 P. M. If Greta's average speed is 4 miles per hour
faster than Mary's average speed, find Greta's average
speed.

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Mary and Greta live 21 miles apart. At 1:00 P. M. they start riding their bicycles toward each othe...
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