179
35 and 4
-117
10 and 14 5 and 28 4 and 35 2 and 70
There are infinitely many such pairs. Some examples: 1*140 100*1.4 sqrt(2)*70sqrt(2)
280
140 multiplied by 12 is 1,680
X + y = 140 x-y = 20 y = x-20 x + x -20 =140 2x = 160 x = 80 y = 60
These pairs of numbers, when multiplied, equal 420: (1, 420) (2, 210) (3, 140) (4, 105) (5, 84) (6, 70) (7, 60) (10, 42) (12, 35) (14, 30) (15, 28) (20, 21)
155
14 times 10
4760
There are infinitely many pairs. The simplest is 1 and 140.
2 x 2 x 5 x 7 = 140