Answer: i dont know if this will be correct but, the 2 goes on the bottom count 5 up so you will get the first one done, bottom 3 and count up 8, bottom 4 and count up to 13, its the same for all of them.
Step-by-step explanation:
420 cents for 1000 g. So 42 cents for 100 g (i crossed multiplied).
%profit=63-42/42 *100=50%
The Answer is D!!
Hope this helps
If i is a zero, -i is also a zero.
The way you get a complex zero is by taking the square root of a negative number. Taking the sqrt (-1) = + and - i