First you rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation
Second you solve it by using the formula of a straight line drawn on Cartesian coordinate system in which “y” is the vet risk axis and “x” the horizontal axis.
Answer:
4 hours
Step-by-step explanation:
15 x 4 = 60
$60
The discount is $7, and Mrs.Hill only has to pay $28.
