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31 May, 17:38

14. Of the 400 students in the 8th grade, four-

fifths have purchased tickets for the end of

year trip. If there needs to be two

chaperones for every 75 students, how many

chaperones are needed?

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Answers (2)
  1. 31 May, 20:01
    0
    Your answer needs to be 8 because 4/5 of 400 = 320 and if you multiply 320 by 2 because 2 chaperones for every 75 and divide 640 by 75 you get 8.5 and you can round that to 8.
  2. 31 May, 20:02
    0
    8 or 9

    Step-by-step explanation:

    So, you first need to take 4/5 of 400 (320). Then, you can count by 75s for a bit

    75students; 2chaperones

    150; 4

    225; 6

    300; 8

    now, you have 20 students left over ... since one chaperone would watch about 37 kids, you can either divide the remaining kids up among the other chaperones, or you can add one more chaperone to watch the 20 kids. i don't know what the teacher wants, so either 8 or 9 chaperones
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