At John Dean High School, 42 seniors are enrolled in the
photography class and 35 seniors are enrolled in the sculpture class. Of these seniors, 15 are enrolled in both classes. How many of the 110 seniors enrolled at John Dean High School are NOT enrolled in either the photography class or the sculpture class?
A.18
B.33
C.48
D.77
E.92

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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.