Question 682854
x is vanilla
y is chocolate
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{{{x+y <= 27}}}
{{{y <=12}}}
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graph
{{{y<=-x+27}}} and {{{y<=12}}}
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{{{y<=-x+27}}} use the intercepts to graph
y intercept is 27, plot (0, 27)
x intercept is 0 = -x+27, so x = 27, plot (27, 0)
Draw a solid line through the intercepts, solid to include the points on the line.
Shade the area under the line
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{{{y<=12}}} is a horizontal line at y = 12 
Draw it as a solid line. Shade the area under the line.
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Any point in the area shaded by BOTH lines is a possible solution.

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