The distance between two places is 130 km A car travelling at a certain speed can cover the distance in 1 hour 15 minutes.By how many km/h should the speed of the carbe increase for it to take 10 minutes less to cover the distance?
Answers
Answered by
0
Answer:
Distance Rate x Time =
From the question we know distance and time.
2:30 - 2.5 hours =
D/T = R; therefore; 120 / 2.5 = original rate (speed) = OR
...30 minutes less than 2:30 = 2:00 hours
= 2.0 hours
-
Also from the question we know distance
and "new time"
Rate (speed) = Distance / Time
120/2.0 = new rate = NR
NR - OR = increase in speed required= your answer in kph
Step-by-step explanation:
hope it's helpful
please mark me brainlest
Answered by
0
Answer:
By 20 km/h should the speed of the car be increase for it to take 10 minutes less to cover the distance
PLS MARK ME BRANLIEST
Similar questions