1/4+1/4+1/4+1/4+1/4+1/4+1/4+1/4+1/4+1/4=2 2/4
or: 1/4X9=2 2/4=2 1/2
The answer is A,because the way your question is written,there would be 4 molecules of salt (NA) and one molecule of CL (Chlorine)
Earning = 1000 + 25% commison
For sales of $2170:
= 1000 + 25%* 2170
= 1000 + 542.5 = 1542.5
Gross earnings = $1542.50
Answer:

Step-by-step explanation:
Given :-
The sum of two numbers is 1 .
The product of the nos . is 12 .
And we need to find out the numbers. So let us take ,
First number be x
Second number be 1-x .
According to first condition :-

Hence the numbers are 4 and -3