Reason with linear proportions

Reason with linear proportions

1. Let's go SHOPPING!!!! - best value, price/volume
2. Let's go SHOPPING!!!! - best value, price/volume
3. Let's go SHOPPING!!!! - best value, price/volume
4. Let's go SHOPPING!!!! - best value, price/volume
5. Phil The Fruiterer - calculate best value given masses and prices
6. Phil The Fruiterer - calculate best value given masses and prices