Question

sanjay and his paving crew laid 40 yards of new pavement. jack and his crew just took over, and they can lay 15 yards of new pavement per hour. write an equation that shows the relationship between the number of hours jacks crew works, x, and the total number of yards of pavement laid, y. y =

Explanation:

Step1: Identify initial amount

Sanjay's crew laid 40 yards, this is the starting - point value.

Step2: Identify rate of change

Jack's crew lays 15 yards per hour. The number of yards they lay in $x$ hours is $15x$.

Step3: Form the equation

The total number of yards $y$ is the sum of the initial 40 yards and the number of yards Jack's crew lays in $x$ hours. So, $y = 40+15x$.

Answer:

$y = 15x + 40$