a cyclist can cover a certain distance at a speed of 28 km/hr in 65 minutes. what will his speed if he covers the same distance in 35 minutes
Answers
Answered by
1
Answer:speed=distance÷time
Distance=speed×time
Case:1
D=28km/hr×65min
D=1820m or 1.82km
Case:2
D=s×t
1820m=s×35min
Speed=1820/35
Speed=52km/hr
Step-by-step explanation:
Umair007:
thank you
Answered by
1
time = 65 min = (65÷60) hr
distance = speed × time = 28 × 65/60 km
= 1820/60 km
time = 35 min = (35÷60) hr
speed = distance ÷ time
= (1820/60) ÷ (35/60)
= 52 km/hr
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