The answer is 2 cause you have to do the asides individually
Yes, as one half or 1/2 is also 10/20. 11/20 is greater than half by a 10% margin.
7 is in the ones place value.
9 is in the tens place value.
Hope this helps.
-Benjamin
It’s the first answer
He can’t just decided what x is he has to solve for it