PLEASE HELP -6/5k = 12

Show your work in details if you can, I have a hard time understanding this.

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?