Question

Please step by step explanation for this maths ....

Answer 1

Answer:

Step-by-step explanation:

The correct answer is (d) that is 15:2 because here we have to convert 2 1/2 hours into minute so u would get 5/2 by converting it into improper fraction. So here 1 hour= 60 minutes so by cross multiplication 5/2 hour= 150 minutes . So the ratio becomes 150:20 by simplifying it you get 15:2

Hope it helps u

Answer 2

Answer:

D) 15:2

1 hr =60minutes

So,

2 hrs =120 minutes

5/2hrs=120+30=150

150/20=15:2