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15-02-2019
Mathematics

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If bob has a prime number of books between 21 and 30 if he takes away 4 books he will be able to place the same number of books on each shelf, how many books does bob have?

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15-02-2019

Answer:

The answer would be 26 because the only prime numbers on from 21 to 30 are 23 and 29 ans 29 - 4 equals 26 and 23 - 4 is 19

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