Question

If the speed of two cars is ratio 8 : 9, what will be the time ratio?​

Answer 1

Answer: if speed of second car is 200 km/5hr

Explanation:Let speed of 1st car = 7x

and speed of the 2nd car = 8x

According to the question,

8x=2005=40 [using, Speed = Distnce/Time]

Therefore, x=408=5

Therefore, Speed of the 1st car

7x=7×5=35km/h

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Answer 2

Answer:

given ratio of speed=8:9

let the ratio of speed = X

speed of 1st car= 8x=S1

speed of 2 car= 9x=S2

Speed= D/T

given

S1/S2= 8x/9x

(D/T1)/(D/T2)=8/9

D/T1 x T2/D=8/9

T2/T1=8/9

so ratio of Time car 1 to Car 2= 9:8