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 <=36Â
{x + 1.5y <=20Â
{x = yÂ
y+3y<=36Â
4y<=36Â
y<=9Â
y+1.5y<=20Â
2.5y<=20Â
y<=8Â
min(8,9) = 8Â
x = 8, y = 8