1 2/5 rename the mixed number as an improper faction
a. 3/5
b, 12/5
c, 2/6
d, 7/5

the answer is b

Step-by-step explanation:

i don't know I just do lol

step-by-step explanation:

what grade level is this? need to know so i can look in my old textbooks!

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.