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natulia [17]
4 years ago
14

A boy walks 1000 m at an average speed of 4 km / h and then runs 22 km in 10 minutes.

Mathematics
1 answer:
dlinn [17]4 years ago
8 0

Answer:

Distance = speed / time

A) 1 = 4/t

t = 0.25 hours

B) 22 = s/10

Speed = 132 km/hr

C) (4+132)/2

136/2 = 68 km per hour

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