Homework Help: Algebra

Posted by Tara on Sunday, February 5, 2012 at 2:53pm.

Mildred makes $3 an hour babysitting and $6 an hour when she works at Wendys. Her parents do not want her working more than 20 hours per week. Mildred would like to earn at least $70 a week. Write a system of inequalities that show the number of hours she could work at each job. Graph the system. Write at least four possible solutions. THANK YOU

Algebra - Reiny, Sunday, February 5, 2012 at 3:58pm
hrs at Wendy's ---- x
hrs babysitting --- 20-x

6x + 3(20-x) ≥ 70

solve for x, the rest is easy

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