Scaling up and Down

Pumpkin Pie Problem

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

Peter wanted to make two pies for a party. His mother had a recipe for him to use. However, she always made 80 pies at a time. Did Peter have enough ingredients to make two pumpkin pies?

Orange Drink

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

A 750 ml bottle of concentrated orange squash is enough to make fifteen 250 ml glasses of diluted orange drink. How much water is needed to make 10 litres of this drink?