1/4 = .25 of a mile
.25 of a mile * 4 laps = 1.0 mile
1 mile * 3 = 3 miles so 4 laps (1 mile) * 3 = 12 laps.
Divide 18 by 6 to get 3. It takes her 3 minutes to complete one lap.
D. When you substitute for the variables the equation becomes -1-5×6=-31. First, you multiply -5 by 6 to get -30. This makes the equation -1-30=-31. -1-30 is -31 so your equation is now -31=-31.
The equation of the line is x=4
