You make $5 an hour in tips working at a restaurant and $7 an hour in tips working at a landscaping
company
5x + 7
5x + 7
ΧΣ 2
4
a. In one week, you work 15 hours and you earn $97.
Write a system of linear equations to determine the
number of hours you work at each job.
Z= 5x
ΧΣ
Z= 97
b. Solve the system for the number of hours spent
working at each job.
x + y
Z= 5
X=4
at th
land
wou
5x +
c. Using your answer from part (b): If you work 20 hours
another week, increasing your number of hours working
at the restaurant by 5 hours, how much will you earn?