4. A student has started a lawn care business. He charges $15 per hour to mow lawns and $20 per hour for gardening. Because he is still in school, he is only allowed to work for at most 20 hours per week. His goal is to make at least $300
per week. (4 points)
a) Create a system of inequalities that models the situation. (x=hours of lawn mowing, y=hours of gardening)
Inequality #1
Inequality #2
b) The graph shows one of the relevant constraints in this situation. Draw the graph of the other constraint.
c) On the graph to the right, show all the
points that represent the number of hours
the student can work at each job and meet
his goal.
24
22
20
2018
16
s of gardening
14
12
10