Mathematics

Question

The histogram shows the numbers of people who volunteered for community service and the number of hours they worked. Use the histogram to answer the question.

How many volunteers worked more than 15 hours?



A.
25

B.
50

C.
60

D.
75
The histogram shows the numbers of people who volunteered for community service and the number of hours they worked. Use the histogram to answer the question. H

2 Answer

  • It would be C.60 If you add the column of  16-20 and 21-25 it makes 60.
  • Answer:

    The total number of volunteers working more than 15 hours are 60.

    Step-by-step explanation:

    From the histogram, we see that,

    The range of volunteers working more than 15 hours are given by,

    When the number of hours worked are between 16-20 and 21-25.

    So, the number corresponding to these ranges will given the number of volunteers working more than 15 hours.

    Thus, we have,

    The number of volunteers working between 16-20 hours are 50.

    The number of volunteers working between 21-25 hours are 10.

    Hence, the total number of volunteers working more than 15 hours = 50+10 = 60.

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