A construction crew is lengthening a road. Let y represent the total length of the road (in miles). Letx represent the number of days the crew has worked. Suppose that x and y are related by the equation y=59+4x
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 was the road's length when the crew started working?
What is the change per day in the road's length?
- The road's length when the crew started working was 59 miles.
- The change per day in the road's length is 4 miles.