7.1b Mastery Quiz

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| By Jmstowell
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Jmstowell
Community Contributor
Quizzes Created: 1 | Total Attempts: 582
Questions: 4 | Attempts: 582

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7.1b Mastery Quiz - Quiz

Students who can answer all 4 questions with a 100% mastery are ready to move on from this TEK.


Questions and Answers
  • 1. 

    The Crystal Clear Window Washing Company washed  of a high rise building 's windows on Monday,  on Tuesday, and  on Wednesday.  What percentage of the building's windows were not washed after three days?

    • A.

      17.5%

    • B.

      33%

    • C.

      67%

    • D.

      82.5%

    Correct Answer
    A. 17.5%
    Explanation
    After three days, the Crystal Clear Window Washing Company washed 100% of the building's windows. Therefore, the percentage of windows that were not washed is 0%. However, none of the given answer choices match this explanation. Therefore, the correct answer is not clear or available.

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  • 2. 

    Mike received a 45% discount when he bought a new jacket.  Which of the following is NOT equivalent to 45%?

    • A.

      9/20

    • B.

      4/5

    • C.

      0.45

    • D.

      45/100

    Correct Answer
    B. 4/5
    Explanation
    The answer 4/5 is not equivalent to 45% because when we convert 45% to a fraction, we get 45/100. However, 4/5 is equivalent to 80%, not 45%.

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  • 3. 

    The glee club is trying to raise money for their trip to the national competition. So far, they have been able to raise $1,500 of the $5,000 that they need. Which of the following is NOT equivalent to ?

    • A.
    • B.
    • C.

      30%

    • D.

      0.3

    Correct Answer
    B.
    Explanation
    The correct answer is 0.3. This is because 0.3 is equivalent to 30%, as they both represent the same proportion or fraction of a whole.

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  • 4. 

    Khalid read a numerical value as “one hundred twenty-five thousandths.” Which of the following shows an equivalent way to write this value?

    • A.

      125,000

    • B.

      125%

    • C.
    • D.

      12.5%

    Correct Answer
    D. 12.5%
    Explanation
    The correct answer is 12.5%. This is because "one hundred twenty-five thousandths" can be written as a decimal by dividing 125 by 1000, which gives 0.125. Multiplying this decimal by 100 gives 12.5%.

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