Question 953164
x, hours walking dogs
y, hours as courier
{{{x+y<=15}}}
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{{{4x+6y>=66}}}
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Also restrict to {{{x>=0}}} and {{{y>=0}}}.



Look at the equations for reference.
{{{y=-x+15}}}
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{{{2x+3y=33}}}
{{{3y=-2x+33}}}
{{{y=-(2/3)x+11}}}
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Solutions can be picked from the graphs.


{{{graph(300,300,-1,15,-1,15,-x+15,-(2/3)x+11)}}}


Pick from the triangle region on the left.