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Perry surveyed 60 students at her school and found that 0.45 of the students she surveyed said their favorite class is math. Another 35% of the students she surveyed reported that their favorite class
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Apr 2, 2016
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Perry surveyed 60 students at her school and found that 0.45 of the students she surveyed said their favorite class is math. Another 35% of the students she surveyed reported that their favorite class is science. How many more students in the survey prefer math over science?
Mathematics
middle-school
Sabil
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0.45 x 60 = 27
35% x 60 = 21
27-21 = 6 more students prefer math
However, a further 12 students didn't specify whether they prefer maths or science, so you could argue that the answer is 6 +/- 12
Andrzej Polis
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Apr 9, 2016
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