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2 June, 11:02

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?

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  1. 2 June, 11:06
    0
    80 x. 55 = 44 people whose favorite class is math

    80 x. 15 = 12 people whose favorite class is science

    (15 as a decimal is written as. 15)

    44 - 12 = 32 more students prefer math over science
  2. 2 June, 11:22
    0
    80 (.55) = 44 students prefer math

    80 (.15) = 12 students prefer science

    44-12 = 32 more students prefer math than science
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