The sum of two positive numbers is 1068 and their Highest Common Factor is 89. How many pairs of such numbers are there?
A+B = 1068 = 89*a + 89*b = 89*(a+b)
a+b = 1068/89 = 12
And there are five such pairs of positive numbers that add up to 12:
1, 11
2, 10
3, 9
4, 8
5, 7

Posted by Dej Mar
on 20060314 18:58:44 