Kim surveyed 80 students at her school and found that 0.65 of the students she surveyed said their favorite class is math. Another 15% of the students she surveyed reported that their favorite class is science. How many more students in the survey prefer math over science?

Question

Mathematics

Rachael Atkins

3 September, 21:10

Kim surveyed 80 students at her school and found that 0.65 of the students she surveyed said their favorite class is math. Another 15% of the students she surveyed reported that their favorite class is science. How many more students in the survey prefer math over science?

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Answers (2)

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Sean Reeves · Answer 1

What you do is multiply. 65 by 80 which gives you 52 students. Then you make 15% into a decimal (.15) and also multiply it by 80 which gives you 12 students. Finally you subract 12 from 52 which is 40. The answer is 40 students.

Simone Arellano · Answer 2

Nadia surveyed 80 students at her school and found that 0.55 of the students she surveyed said their favorite class is math. Another 15% of the students she surveyed reported that their favorite class is science. How many more students in the survey prefer math over science?