Plzz answer question( b) it is urgent

Speed = 16 km per hour

Speed = meter per second

Step-by-step explanation:

b). Total distance covered to and fro = 12 + 12

                                                        = 24 km  

    Total time taken to cover this distance = 1.5 hours

    Since, speed =

                           =

                           = 16 km per hour

     Since, 1 km = 1000 m

     And 1 hour = 3600 seconds

     16 = 16 × meter per second

                 =

                 =

                 = meter per second

the answer is 48m^2!

step-by-step explanation:

step-by-step explanation:

there are 36 inches in a yard

25 : 36 = 0.69 yards (you can round to 0.70)