7. Alex and Ben left Point A and cycled in opposite directions in a straight line. After 6 hours, they were 351 km apart. Alex's average speed was 4.5 km/h faster than Ben's average speed. What was Ben's speed? Ben 351 km in 6h Alex 4.5 km/h x 6h= 27 km 351 km - 27 km = 224 km 112 km 112km: 6h = 183 km/h 224 km = 2 = Ans: 187/7 km/h

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