Question

please tell me answer step by step​

Answer 1

Answer:

45 km/h

Step-by-step explanation:

By ratio proportional method this question solved.

Ratio of speed of A and B =3:5.

speed of B = 300/4=75km/h because speed = Distance ÷ Time, Here Distance =300km, Time =4 hrs.

ATQ

Let the speed of A be x

RATIO OF A and B = Speed of A and B.

3:5 =x/75.

x=3*75/5=45km/h.

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