Question

the speed of two train are in the ratio 4 : 5. if the speed of the first train is 48 kilometre per hour what is the speed of the other train​

Answer 1

Answer:

60km

4 parts equal to 48

so 5 parts equal to 60

Answer 2

Answer:

n=80

Step-by-step explanation:

The speed of the two trains =4:5

the speed of the first train =64km/h

so the speed of the second train be 'n'

the speed= 4/5×64/n (by cross multiplication)

4n=5×64

n=5×64/4

n=320/4

n=80.

hope it helps..