Question

reema cycles ton her school at an average speed of 12 km/hr it takes 20 minutes it takes her 20 minutes to reach the school if she wants to reach her school in 15minutes what should be her average speeed​

Answer 1

K.M. Time

12. 20

15

{cross multiplication}

12 /x. × 20/15

12×15/20=x

180/20

9=x