X + y = 140
x-y = 20
y = x-20
x + x -20 =140
2x = 160
x = 80
y = 60
179
280
-117
14 times 10
To find four numbers that equal 140, one possible combination is 35, 35, 35, and 35. Another combination could be 50, 40, 30, and 20. You can also use negative numbers, such as 100, 50, -10, and 0. The key is that the sum of the four selected numbers must equal 140.
4760
There are infinitely many pairs. The simplest is 1 and 140.
2 x 2 x 5 x 7 = 140
140 + 20 + 6 = 166.
Subtract the two numbers. Take the difference and divide by the original number an change to a per cent. 140-84=16 16/140=.1142857... about 11.4% decrease
The prime numbers (factors) of 140 are: 2,5,7
10 and 14 5 and 28 4 and 35 2 and 70