Question 1142275
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Let x be the number of church groups and y be the number of labor unions.  Then<br>
(1) write the constraint inequalities
{{{x>=0}}}, {{{y>=0}}}
{{{2x+2y<=20}}}  she has a maximum of 20 hours of letter writing time
{{{x+3y<=12}}}  she has a maximum of 12 hours of time for follow-up calls<br>
(2) graph the constraint inequalities to find the feasibility region.  You should get (0,0), (0,4), (9,1) and (10,0) as the corners of the feasibility region.<br>
(3) determine the amount of money she raises at each corner of the feasibility region.<br>
(4) answer the question.