Sales tax on an item directly proportional to the cost of the items purchased. If the tax on a $400 item is $24, what is the sal
1 answer:
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Note: Consider "÷" sign instead of "=".
Given:
To find:
The quotient.
Solution:
We have,
It can be written as
Splitting the middle terms, we get
Taking out the common factor (x-1), we get
Cancel the common factors.
The quotient is .
Therefore, the correct option is D.