12 out of 25 students got a B on the weekly math test. The ratio of the number of students out of 25 who did not get a B on the test can be written three different ways. Those ways are

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To find the ratio of the number of students who did not get a B on the test to the total number of students, we start with the number of students who did not receive a B.

  1. Calculate the number of students who did not get a B:

    • Total students = 25
    • Students with a B = 12
    • Students without a B = 25 - 12 = 13
  2. Express the ratio: The ratio of students who did not get a B to the total number of students is \( 13 : 25 \).

  3. Three different ways to write the ratio:

    • As a fraction: \( \frac{13}{25} \)
    • As a percentage: To convert it to a percentage, you can do \( \frac{13}{25} \times 100 = 52% \)
    • As a simplified statement: You can write the ratio as "13 students out of 25 did not get a B."

So, the three different ways to express the ratio of students who did not get a B are:

  1. \( 13 : 25 \)
  2. \( \frac{13}{25} \)
  3. 52%
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