Problema Solution
A wooden access ramp is being built to reach a platform that sits 30 inches above the floor. The ramp drops 2 inches for every 25-inch run. Write a linear equation hat relates the height y of the ramp above the floor to the horizontal distance x from the platform.
Answer provided by our tutors
The equation for y can be written as: y = mx + b, where m is the slope and b is the y-intercept
The slope m equals the change in y divided by the the change in x, that is:
m = - 2/25
y-intercept is the height of the ramp on the start and that is b = 30 in
Now we can write the equation:
y = (- 2/25)x + 30