On the map, a distance of 20 miles are represented by 1 inch .
So distance of 1 mile is represented by
And therefore, distance of 135 miles are represented by
(-50) would be the way to represent a withdrawal. a withdrawal means taking away, aka subtracting, which makes it a negative integer.
X=1/2 y+6 . Hope it helps.
To find how much time the machine that took the longer job is, you would create an equation in terms of X, the amount of time it takes one of the machines.
Please see the attached picture for the work.
51 minutes is the longer time.
34 minutes for the other machine.
Cross multiply
40 = 6p
40/6 = p
Simplify
20/3 = p
Hope this helps!