Mathematics, 07.01.2021 18:00 triddi666

3. Students in the 7th, 8th, and 9th grade were asked whether they prefer to write in pen or pencil. 40 students prefer to write in pen. 60 students prefer to write in pencil. Create values that could represent the number of students in the 7th, 8th, and 9th grade that responded to the survey. (Three answers).

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3. Students in the 7th, 8th, and 9th grade were asked whether they prefer to write in pen or pencil....