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14 July, 22:22

School guidelines require that there must be at least 2 chaperones for every 25 students going on a school trip. How many chaperones must there be for 80 students?

A: 6 chaperones

B: 40 chaperones

C: 3 chaperones

D: 7 chaperones

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Answers (2)
  1. 14 July, 23:25
    0
    The answer is D. 7 Chaperones
  2. 15 July, 00:13
    0
    ratio and proprtion

    chaperones/students=2/25

    2/25=?/80

    multiply both sides by 80 to find?

    160/25=?

    6.4=?

    you can't have 0.4 chaperones and 6 chaperones is too little

    so the answer is 7 chaperones

    answer is D
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