Question

A construction crew is lengthening a road. Let y represent the total length of the road (in miles). Let x represent the number of days the crew has worked.
Suppose that x and y are related by the equation 4x+58 = y.
Answer the questions below.
Note that a change can be an increase or a decrease.
For an increase, use a positive number. For a decrease, use a negative number,
What is the change per day in the road's length?
I miles
What was the road's length when the crew started working?
miles

Answer 1

I believe the answer is 57 divided by 5