Which expression can be used to find the number of pounds in 7.2 kilograms using the conversion factor 1 pound is approximately 0.45 kilograms? (7.2)(0.45)
7.2 + 0.45
7.2 - 0.45
7.2/0.45

one that is bigger than 3 1/2

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.

no i do not : ( what is it?

answer: x=60