Some balls are to be distributed among some boys. If 5 more balls are available, each boy gets 8 balls. If 6 less balls are available, each boy gets 4 balls. How many balls are there?
Let number of balls be x. Therefore, Number of boys = (x+5)/8 = (x-6)/4 => 4x + 20 = 8x – 48 => x = 17
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