Mathematics
Mathematics, 05.07.2020 22:01, peno211

The surnames of 40 children in a class arranged in alphabetical order. 16 of the surnames begins with O and 9 of the surname begins with A, 14, of the letters of the alphabet do not appear as the first letter of a surname If more than one surname begins with a letter besides A and O, how may surnames begin with that letter?

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The surnames of 40 children in a class arranged in alphabetical order. 16 of the surnames begins wit...

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