Answer:
1040.70 is the answer
Step-by-step explanation:
that is the total
4 to 9 or 4:9
5 to 9 or 5:9
if thats what your asking
Transforming equation systems into matrix form is fairly simple:
each column represents a variable, and each line represents an equation.
So in the first column, the NUMBERS MULTIPLYING by the X variables are put, in the second one the ones multiplying by Y, etc. The constants go after the vertical line, the last column
so we have:

So in a matrix, it will be the one on the picture
I think it is false because b is bigger than a
22x-74=0
+74 +74
22x=74
X= 3.36 repeating