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05-09-2016
Mathematics

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Dave is meeting his friends at 7:30 PM. The average speed of the bus is 28 km/h, and he needs to travel 20 km. When is the latest time he should catch the bus?

Please explain in detail.

Respuesta :

sowotsdat sowotsdat

06-09-2016

time= dist/speed

20/28 = 0.714 hrs

or 43 mins

7.30-43 = 6.57 pm

so any bus that leaves before 6.30 would get him there on time

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