Posted by jeanne on Thursday, October 14, 2010 at 12:01pm.
Rosalyn works no more than 16 hours a week during the school year. she is paid $10 and hour for tutoring geometry students and $7 an hour for delivering pizzas for Pizza King. She wants to spend at least 6 hours but no more than 8 hours a week tutoring. Find Rosalyn's maximum earnings.

algebra 2  Ms. Sue, Thursday, October 14, 2010 at 12:08pm
She needs to tutor 8 hours a week.

algebra 2  Omar, Wednesday, October 27, 2010 at 7:26pm
10X+7y= amount of money earned
X= hours tutoring
constraints:
X+Y less than or equal to 16
X greater than or equal to 3
X less than or equal to 8
Graph it and find coordinates of intersectoin, then plug them in and see which one gives you the most money
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