10. A car can finish a certain journey in 10 hours at the speed of 48 km/hr. By how much
should its speed be increased so that it may take only 8 hours to cover the same
distance?
Answers
Answered by
0
Answer:
see the answer
Step-by-step explanation:
Answer: a car finish a certain journey of 10 km in = 48 km/h. 10 h = 48 * 10 = 480. 8 h = 480/8=60.
Answered by
1
Given:-
A car can finish a certain journey in 10 hours
At the speed of 48 km/hr
To Find:-
Let the increased speed be x km/h.
Time 10 Hours or 8hours
Speed (km/h) 48x+48
10 × 48 = 8 (x + 48)
Thus, the speed should be increased by 12km/h.✅
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