-15 plus 20 is 5.
The answer to this question is 60.
20 = 4p + 5 +p 20 = 5p + 5 5p = 20 - 5 = 15 5p = 15 p = 15/5 = 3
use a calulator, it's -5
s = 20
-15 plus 20 is 5.
Negative 15 plus positive 20 equals 20 minus 15, which equals 5.
-20
20 = 400
The answer to this question is 60.
205
18 + 10 + 20 + 30 + 15 + 50= 143
The answer is 20. In each addition, the individual digits are added together (1+2+3+5+4 = 15)
X = 1
20 = 4p + 5 +p 20 = 5p + 5 5p = 20 - 5 = 15 5p = 15 p = 15/5 = 3
use a calulator, it's -5
s = 20