Sandra ran a mile race in 7.06 minutes. joanne finished the race in 7.60 minutes. which statement is true? a. sandra had the faster time. b. joanne had the faster time. c. sandra and joanne finished the race in the same amount of time.

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.

what is the rest of the question? ?