Answer:
9
Step-by-step explanation:
So first step is to find out how much the woman's salary is in 1989. We can do this by multiplying 0.15 (15% in decimal form) and $2,800 together, then adding that product by $2,800.

The woman makes $3,220 in 1989.
To find how much tax she pays in 1989, just multiply 0.125 (12.5% in decimal form) and 3220 together:

In short, the woman paid $402.50 in tax in 1989.
Answer:
X=3
Step-by-step explanation:
9+x=12
x=12-9
so x is 3
First Multiply the common denominator for both fractions. The C.D. here is (t+5)(t-1).
When you done the simplification you will get the last choice.
The answer is choice D.
So this is how you do it enjoy