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How to Do Basic Percentages with the Table of Joy
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Ten Practice Questions for Advanced Data Handling Tests

Phones2Go’s share price has dropped by 20% in the last three months. What was the price three months ago?

Answer: €31.75. The current share price is 80% of its price three months ago, so your Table of Joy sum works out to be 100 x 25.40 ÷ 80 = 31.75.

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