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Year 7 maths · A.14 · Ratios

Write the ratio of one group to the rest in simplest form

Write the ratio of the group named in the question to everyone else, in simplest form, like 2 : 3.

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  1. Out of 18 students, 8 walk to school. Write the ratio of students who walk to students who do not walk in simplest form.

    Answer: 4 : 5

  2. Out of 20 students, 15 walk to school. Write the ratio of students who walk to students who do not walk in simplest form.

    Answer: 3 : 1

  3. Out of 20 students, 12 walk to school. Write the ratio of students who walk to students who do not walk in simplest form.

    Answer: 3 : 2

Tip: Write the ratio of the group named in the question to everyone else, in simplest form, like 2 : 3.

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