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posted by Renay Friday, March 22, 2013 at 12:15pm.
Car A passes Car B on the highway. Rlative to car A's movement, Car B is moving at a rate of 9 mph backward. If the speed of Car A is 98 mph, what us the speed of Car B?
B is 9 mph slower than A. 98 - 9 = 89 mph
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