Question

A boy walks at a speed of 3
1
km/h. He reaches his school in 30 minutes. How far is

the school from his house?

Answer 1

Answer

Step-by-step explanation:

speed=31km/h

time=30 min

or 1/2hour

d=s×t

d= 31×1/2

d=15.5 km

Answer 2

Answer:

1.75 km

step by step explanation:

distance= speed × time

speed = 3 1/2 = 7/2

time = 30 min / 60 = 0.5 hr

by applying formula,

distance= 7/2 × 0.5

= 1.75 km

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