A parking area that is to be resurfaced is shaped like a trapezoid. The bases are 80 feet and 90 feet, and the height is 60 feet. What is the cost if the price of the resurfacing is $1.35 per square foot?

i think 5 miles per hour

step-by-step explanation:

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.