$354 divided by 12 equal payments equals $29.50 a payment
Given:
Schaum's earnings in a month = 
His wife's earnings in a month = 
Where x is the number of working days in a month.
To find:
The total earnings in a month.
Solution:
We know that,
Total earnings = Schaum earnings + His wife's earnings in a month



Therefore, the correct option is A.
Im pretty sure its false because data is another word for a chart or a graphing a chart, or a graph
If we assume that point C is somewhere on segment AD, then,
AD = AC + CD
AD = (9x-12) + (4x+18)
AD = (9x+4x) + (-12+18)
AD = 13x+6 is the answer