a motorist covered the first 20 km of his journey in 30 minutesand the remaining 29 km in 40 minutes.what is his average speed in km/hr?
Answers
Answered by
20
Hello Friend..✌️✌️
The answer of u r question is..✋✋
Given,
20+29=49
40+30=70.
Speed = Distance/Time
49=x/70
x=70/49
=1.428
The answer of u r question is..✋✋
Given,
20+29=49
40+30=70.
Speed = Distance/Time
49=x/70
x=70/49
=1.428
Answered by
56
20km + 29km = 49km
30 min + 40 min = 70 min
49km/70min = 0.7 km/min = 42 km/hr
OR
20 + 29 = 49 km
in
30 + 40 = 70 minutes
time * speed = distance
(70/60)s = 49
s = 42 kph
HOPE IT HELPS ✌
30 min + 40 min = 70 min
49km/70min = 0.7 km/min = 42 km/hr
OR
20 + 29 = 49 km
in
30 + 40 = 70 minutes
time * speed = distance
(70/60)s = 49
s = 42 kph
HOPE IT HELPS ✌
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