You earn money by babysitting for $8.00 per hour and by raking leaves for $7.00 per hour. You have 9 hours available for work. What is the greatest number of hours you can spend raking and still make ant least $68.00?

Answer 1

forgot to put the choices.

a. 3 hours
b. 4 hours
c. 5 hours
d. 6 hours

Answer 2

x+y <= 9
8x+7y <= 68
graph those regions and check the highest integer value of y that is in the shaded area.