John drove for 3 hours at a speed of 60 km/h and for next 2 hours at a speed of 50 km/h.What was his average speed for the whole journey plze answer
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Answer:
distance = speed × time
= 60 × 3
distance = 180 km
distance = speed × time
= 50 × 2
distance = 100 km
average speed = total DISTANCE ÷ time
= 180+100 ÷ 2+3
= 280 ÷ 5
. = 56 km/hr
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