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U11 Review 2
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U11 Review 2

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Questions and Answers

2 1/2 × 3 4/5 =

9 1/2

The construction of an 80-meter bridge was finished in 12 weeks. How much of the bridge was built on average each week?

  • 6 1/3 meters of the bridge were built each week
  • 5 2/3 meters of the bridge were built each week
  • 6 2/3 meters of the bridge were built each week (correct)
  • 6 3/5 meters of the bridge were built each week
  • Find the product 6/ 12 x 2/10

  • 3/10
  • 1/2
  • 1/10 (correct)
  • 2/5
  • Study Notes

    Multiplication of Mixed Numbers

    • 2 1/2 × 3 4/5 represents the multiplication of two mixed numbers.

    Bridge Construction

    • The construction of an 80-meter bridge took 12 weeks to complete.
    • To find the average length of the bridge built each week, divide the total length (80 meters) by the number of weeks (12).

    Fraction Multiplication

    • 6/12 × 2/10 represents the multiplication of two fractions.
    • To multiply fractions, multiply the numerators (6 and 2) and denominators (12 and 10) separately.

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