Question
PSLE
The table shows the number of students at a swimming club from August to October.

Month Number of students
August 21
September 35
October 42

  1. Find the ratio of the number of students in August to September to October. Give your answer in the simplest form.
  2. The ratio of the number of students in October to November was the same as the ratio of the number of students in August to September. How many students were there in November?
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PSLE
The table shows the number of students at a swimming club from August to October.

Month Number of students
August 21
September 35
October 42

  1. Find the ratio of the number of students in August to September to October. Give your answer in the simplest form.
  2. The ratio of the number of students in October to November was the same as the ratio of the number of students in August to September. How many students were there in November?