Allison and her children went into a bakery where they sell donuts for $2 each and cookies for $1 each. Allison has $20 to spend and must buy at least 11 donuts and
cookies altogether. If represents the number of donuts purchased and y represents
the number of cookies purchased, write and solve a system of inequalities graphically
and determine one possible solution.
Inequality 1: y z
plot
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Inequality 2: y 24
plot
wwitch shade