Question

21) * The ratio of time taken by P and Q is 7:9 to cover the same distance. What is the ratio of their speeds?​

Answer 1

Answer:

9:7

Step-by-step explanation:

let the same distance be x then apply speed-= distance\time 1st case x/7 ÷ x/9

Answer 2

9:7

Step-by-step explanation:

speed is inversely proportional to time so it's 9:7