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15 June, 13:49

30 students, along with some of their parents, are going to a trip to Washington DC. Some of the adults are driving cars, and each car can accommodate up to 5 people including the driver. What is the smallest number of adults that should be invited on the trip to get all 30 students to Washington?

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Answers (2)
  1. 15 June, 15:17
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    15 because you have to divide by 2
  2. 15 June, 15:56
    0
    Minimum 08 adults / drivers

    Maximum 10 adults / drivers

    Step-by-step explanation:

    Total students are 30

    Each car can take total 5 incl. drive

    There needs to be 7 cars taking the 30 students, which also means there have to be minimum 7 drivers / adults.

    Min. passengers = 30 + 7

    Of course, there will be space for 3 more in the 8th car since 5 x 8 = 40
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