SOLUTION: At 1:00 pm a motorbike heading north and travelling at an average speed of 75km/h passes a bus heading south and travelling at an average speed of 65km/h. At what time will they be

Question 947551: At 1:00 pm a motorbike heading north and travelling at an average speed of 75km/h passes a bus heading south and travelling at an average speed of 65km/h. At what time will they be 21 km apart?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
You can just add the speeds to get the distance
and time elapsed between them
Let = time in hrs

Convert to minutes

At 1:09, they will be 21 km apart

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