Answer to Q193:
If (A - A - A = 20), (B - B - B = 15) and (C - C - C = 25), then what is A + B + C?
A - A - A = 20:
that means -A = 20
A = -20
B - B - B = 15
-B = 15
B = -15
C - C - C = 25
-C = 25
C = -25
So A + B + C = -20 + -15 + -25
= -20 - 15 - 25
= -60
Answer: -60
>>Click here to continue<<