. A journey by car takes 48min. at 65km/h. how fast must the car go to the finish the
journey in 40 min...
Please write the answer in full explanation..
And also step by step...
I will mark the Brainlist answer ,if it will be right
Answers
Answered by
1
Answer:
T = 48 min
S = 65 km/h
D = SxT
= 65 x 48/60
52 km
New time = 40 min
New speed = D/time
= D x 1/t
= 52 x 60/40
= 78 km/h
Step-by-step explanation:
Answered by
0
Answer:
54.16km/h
Step-by-step explanation:
By unitary method:
48min-------> 65km/h
40min.------> (65×40)/48
=> 54.16km/h
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