soppose 8 out of every 20 students are absent from school less than 5days a year.predict how many students would be absent from school less than five days a year out of 40,000 students
All you need to do is set up simple fractions and cross multiply. the fractions are 8/20 and x/40000 you cross multiply to get 20x=320,000. you finally divide 20 on both sides to get 16000 students.
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