
Peter, the pumpkin eater, wanted to make two pies for a
party. His mother, a professional pie maker, had a recipe for
him to use. However, she always made $80$ pies at a time. She
used:
![[copyright Microsoft]](/content/00/11/penta3/fig3.gif)
Peter looked in the cupboard and found:
$4$ cups of pumpkinDid Peter have enough ingredients to make two pumpkin pies for the party or did he need to buy more?
Published November 2000.