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ruslelena [56]
3 years ago
15

Can someone please answer these questions?

Mathematics
1 answer:
andrew11 [14]3 years ago
8 0

5.a) since the distance is 140km, and the time is 2hours, and we need the speed in km/h,  we have to divide the distance by time, and we will get the speed: s=d/t = 140km/2h = 70km/h

b) the distance is 43km, and the time is 30 minutes, which is 0,5hours, we do the same thing here, with given formula : s=d/t = 43km/0,5h = 86km/h

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