-360
2 * 2 * 2 * 2 *5 = 80 there isn't any
The factors of 21 that add up to 8 are 1 and 7.
Factors multiply. The same set of numbers won't add up to both 140 and 240, but 120 and 20 are factors of 240 that total 140.
51 + 29 = 80
-1005
factors of 30 that add to 17 are 2 and 15
The four factors of 33 add up to 48.
31
15 and 4 are the factors of 120 that add up to 19.
The four factors of 33 add up to 48.
80 pounds in Great Britain. In the US and Canada it would be $80.