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23 February, 04:14

There are 250 people in a museum. 2/5 of the 250 people are girls. 3/10 of the 250 people are boys. the rest of the 250 people are adults. work out the number of adults in the museum

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  1. 23 February, 04:47
    0
    His is:-

    250 - 2/5 * 250 - 3/10 * 250

    = 250 - 100 - 75

    = 250 - 175

    = 75 answer
  2. 23 February, 06:53
    0
    He is 75, simple math shows ...
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