Maths

A group of friends share a bill for £13.69 equally between them.
how many were in the group?

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  1. 1369 = 37 * 37
    37 is a prime number
    so
    37 people paid .37 each

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    posted by Damon
  2. How I found out :

    http://www.mathwarehouse.com/arithmetic/numbers/prime-number/prime-factorization.php?number=1369

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    posted by Damon

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