85% of customers who bought a pair of wireless headphones stated they were satisfied with the quality of the sound. If 120 people provided feedback, how many people were NOT satisfied with the quality of the headphones?

16. Patterns of development are used by writers in writing their ideas in a well-

focused paragraphs such as cause-and-effect, problem solution, comparison

and contrast, and others.

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.