12. David receives $£ 5$ from his Grandmother.
He gives $£ 2$ to his sister.
Write down $£ 2$ as a percentage of $£ 5$.

Answer

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Answer

Box the final answer in Latex format: \boxed{40}

Steps

Step 1 ：Set up the proportion: \frac{2}{5}

Step 2 ：Convert the fraction to a percentage: \frac{2}{5} \times 100

Step 3 ：Calculate the result: \frac{200}{5} = 40

Step 4 ：Write the final answer in the simplest form: 40%

Step 5 ：Box the final answer in Latex format: \boxed{40}