A car covers a certain distance in 40 minutes if it runs at 54km/hr.How much time will take to cover the same distance at a speed of 45km/hr?
Answers
Answered by
1
Answer:
48 min
Step-by-step explanation:
s= d/t
d=s into t
d= 54*40 (40min= 2400 sec)
d=2160
case 2
s= 45km/hr
t=2160/45
t= 48 min
Answered by
3
Answer:
The time will take to cover the same distance at a speed of 45 km/hr is 48
Step-by-step explanation:
Let the time taken by car to cover the distance at a speed of 45km /hr = X
distance = 54 X time = 40 min
45 is an inverce variation .
so, X*45 = 54*40
= X = 54*40 / 45
X = 48
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