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tdowling331
29.08.2019 •
Mathematics
Lisa surveyed 60 students at her school and found that 0.85 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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Ответ:
Now you have 85% like math and 15% like science.
Since there are 60 students, you then take .85*60=51 students who prefer math and .15*60=9 students who prefer science.
Then you take math (51) minus science (9)
51-9=42 more students prefer math over science
Ответ: