For the answer to the question above asking to choose the inequalities needed to describe the amount of pasta and pasta sauce that Tyler can buy
{x + 3y <=36
{x + 1.5y <=20
{x = y
y+3y<=36
4y<=36
y<=9
y+1.5y<=20
2.5y<=20
y<=8
min(8,9) = 8
x = 8, y = 8