3times a number plus 12 minus 5 times the same number is 22. what is the number?

the answer is simply just 6n add the two together as they have an n

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.

its 60

4 x 12 = 48

3 x 4 = 12

48 + 12 = 60

yeeeet