Question

woman salary is $2,800 in 1988 and was 15% more in 1989. If she paid a tax of 12.5% of her salary, how much tax did she pay in 1989?
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Answer 1

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.

$2800*0.15= \ 420\\ 2800+420= \ 3220$

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:

$3220*0.125= \ 402.50$

In short, the woman paid $402.50 in tax in 1989.