A boy walks at a speed of 7/2 km/h. He reaches his school in 30 minutes. How far is the school from his house?
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Answer:
7/4 km
Step-by-step explanation:
Time = 30 mins
= 30/ 60
=1/2 hr
Distance= speed×time
7/2 × 1/2
= 7/4km
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