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How to write the additional questions in Unit 2 of Mathematics in Book 6 of Huanggang Small Champion?
The speed of the car is 384 divided by 8 = 48 km/h.

The speed of car B is 48 * (1+1/4) = 60 km/h.

The distance between the two places is (48+60) * 8 = 864km or 384+60 * 8 = 864km.

Car B traveled 60 *8 = 480 kilometers in 8 hours.

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