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Double Discount worksheet for math practice.

Worksheet titled "Double Discount (1/2)" with a table and questions about calculating discounts.

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Show Answer Key & Explanations Step-by-step solution for: Ch 7 Double Discount Student Activity-EDIT.docx - CHAPTER 7 ...

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1. The original price is $80. After a 20% discount, the price becomes $64. A second 20% discount on $64 results in $51.20.
2. The total discount is not 40%. The final price is 64% of the original, meaning the total discount is 36%.
3. Applying two successive 20% discounts is equivalent to applying a single discount of 36%, not 40%.
4. No, the order of applying the discounts does not matter because multiplication is commutative: 0.8 × 0.8 = 0.8 × 0.8.
5. For any original price P, the final price after two 20% discounts is P × 0.8 × 0.8 = P × 0.64, which is always 64% of the original price.

Parent Tip: Review the logic above to help your child master the concept of double discount worksheet answers.

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