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. In an incoming freshman class of 500 students, only 20 claimed to be math majors. What percent of the freshman class is this?b. When the survey was repeated the next year, 5% of nonmath majors had decided to switch and become math majors.i. How many math majors are there now?ii. What percent of the former freshman class do theyrepresent? |
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Answer» Step-by-step explanation: a) 20 out of 500 are math MAJORS. i.e. (20/500)*100 = 4%. b) non math majors are 500-20=480 5% of this 480 SHIFT to maths. i.e. (5/100)*480 = 24 (i) Now total math majors are 20+24 = 44 (II) percentage = (44/500)*100 =8.8% |
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