1. A car moves with a speed of 15km/h for 10 minutes and then with a speed of 30km/h for the next. 25 minutes. Find the total distance covered by the car.
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Answer:
15km
Step-by-step explanation:
distance = speed × time
convert minutes into hours
so distance after 10 minutes = 15 × (1/6)
= 5/2 km = 2.5 km
distance for the next 25 minutes = 30 × (5/12)
= 25/2 = 12.5km
so total distance = 12.5 + 2.5 = 15km
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