Mrs. Fabian asked each of her 30 piano students to select their
favorite type of music. 1/5 of the students chose classical music, 1/3 of
the students chose country music, and the remaining students chose
rock music. How many students chose rock music as their favorite type
of music?

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.

step-by-step explanation:

14.29%

step-by-step explanation: