Edexcel – foundation
\[ \begin{array}{l} \text{Sam buys a 14 kilogram bag of cat food.} \\ \text{Sam's cat has 4 meals a day.} \\ \text{He gives his cat 100 grams of cat food for each of these meals.} \\ \\ \text{How many complete weeks will the bag of cat food last?} \\ \text{You must show all your working.} \end{array} \]