280
179
2 x 2 x 5 x 7 = 140
140 + 20 + 6 = 166.
100 & 140. The two numbers are: the mean ± half the range. Half the range is 40/2 = 20. So the two numbers are: 120 - 20 = 100 120 + 20 = 140
280
There are infinitely many pairs. The simplest is 1 and 140.
4760
179
10 and 14 5 and 28 4 and 35 2 and 70
2 x 2 x 5 x 7 = 140
140 + 20 + 6 = 166.
X + y = 140 x-y = 20 y = x-20 x + x -20 =140 2x = 160 x = 80 y = 60
-117
28 35.
70*2
-144