Answer:
27
Step-by-step explanation:
Hello,
11011 in base 2 is
1 * 16 + 1 * 8 + 0 * 4 + 1 * 2 + 1 in base 10
which is 16 +8+2+1=27
Do not hesitate if you have any question
The answer must be A. For an explanation, please have a look at the picture.
How much we talking like 20 dollars or something
4a-2=a+4
+2 to both sides
4a=a+6
-a from both sides
3a=6