Solve, a. A student earns $15 per hour for tutoring and $10 per hour as a teacher’s aide. Let x = the number of hours each week spent tutoring and let y = the number of hours each week spent as a teacher’s aide. Write the objective function that models total weekly earnings. b. The student is bound by the following constraints: ? To have enough time for studies, the student can work no more than 20 hours per week. ? The tutoring center requires that each tutor spend at least three hours per week tutoring. ? The tutoring center requires that each tutor spend no more than eight hours per week tutoring. Write a system of three inequalities that models these constraints. c. Graph the system of inqualities in part (b). Use only the first quadrant and its boundary, because x and y are nonnegative. d. Evaluate the objective function for total weekly earnings at each of the four vertices of the graphed region. [The vertices should occur at (3, 0), (8, 0), (3, 17), and (8, 12).] e. Complete the missing portions of this statement: The student can earn the maximum amount per week by tutoring for ________ hours per week and working as a teacher’s aide for _________ hours per week. The maximum amount that the student can earn each week is $ ____________
Solve, a. A student earns $15 per hour for tutoring and $10 per hour as a teacher’s aide. Let x = the number of hours each week spent tutoring and let y = the number of hours each week spent as a teacher’s aide. Write the objective function that models total weekly earnings.
b. The student is bound by the following constraints: ? To have enough time for studies, the student can work no more than 20 hours per week. ? The tutoring center requires that each tutor spend at least three hours per week tutoring. ? The tutoring center requires that each tutor spend no more than eight hours per week tutoring. Write a system of three inequalities that models these constraints.
c. Graph the system of inqualities in part (b). Use only the first quadrant and its boundary, because x and y are nonnegative.
d. Evaluate the objective function for total weekly earnings at each of the four vertices of the graphed region. [The vertices should occur at (3, 0), (8, 0), (3, 17), and (8, 12).]
e. Complete the missing portions of this statement: The student can earn the maximum amount per week by tutoring for ________ hours per week and working as a teacher’s aide for _________ hours per week. The maximum amount that the student can earn each week is $ ____________
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