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Rhonda and Amir are both shopping for sunglasses

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Rhonda and Amir are both shopping for sunglasses. Use the drop-down menus to complete the statements about Rhonda's and Amir's purchases

Rhonda and Amir are both shopping for sunglasses. Use the drop-down menus to complete the statements about Rhonda’s and Amir’s purchases.

Statements with Blanks:

  1. Rhonda’s estimate was $____ off the actual cost of $20. That is a percent error of ____%.
    • Answer Options for Rhonda’s error amount:
      • $5
      • $10
      • $15
    • Answer Options for Rhonda’s percent error:
      • 25%
      • 50%
      • 75%

Amir’s estimate was $____ off the actual cost of $100. That is a percent error of ____%.

  • Answer Options for Amir’s error amount:
    • $5
    • $10
    • $15
  • Answer Options for Amir’s percent error:
    • 5%
    • 10%
    • 15%

Because Amir’s sunglasses cost ____ than Rhonda’s sunglasses, each dollar of error in measurement results in a ____ percent error.

  • Answer Options:
    • more
    • less
  • Answer Options for impact on percent error:
    • smaller
    • larger



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1 Answer

    • Rhonda’s estimate was $____ off the actual cost of $20. That is a percent error of ____%.
      • Answer Options for Rhonda’s error amount:
        • $5
        • $10
        • $15
      • Answer Options for Rhonda’s percent error:
        • 25%
        • 50%
        • 75%
      • Correct Answer for Rhonda:
        • Rhonda’s estimate was $5 off (since $20 – $15 = $5).
        • Percent error = 520×100\frac{5}{20} \times 100 = 25%.
    • Amir’s estimate was $____ off the actual cost of $100. That is a percent error of ____%.
      • Answer Options for Amir’s error amount:
        • $5
        • $10
        • $15
      • Answer Options for Amir’s percent error:
        • 5%
        • 10%
        • 15%
      • Correct Answer for Amir:
        • Amir’s estimate was $10 off (since $100 – $90 = $10).
        • Percent error = 10100×100\frac{10}{100} \times 100 = 10%.
    • Because Amir’s sunglasses cost ____ than Rhonda’s sunglasses, each dollar of error in measurement results in a ____ percent error.
      • Answer Options:
        • more
        • less
      • Answer Options for impact on percent error:
        • smaller
        • larger
      • Correct Answer:
        • Because Amir’s sunglasses cost more than Rhonda’s sunglasses, each dollar of error in measurement results in a smaller percent error.