What is the area of this composite figure? A . 12ft² B. 80ft² C. 88ft² D. 100ft²
1 answer:
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Answer:
25%
Step-by-step explanation:
If we consider the original price of the piece of suit is x.
Given that, on Monday during a one day sale, the price of the suit was decreased by 20%.
Therefore, the new price of the suit on Monday is .
Now, the price of the suit on Tuesday was changed back to the original price i.e. x.
Therefore, the price is increase by (x - 0.8x) = 0.2x from the price of 0.8x.
So, the percentage change in price of the suit on Tuesday is %. (Answer)
1) 
2)
Here, the variable
can assume any value, and usually an inequality presented like this has as a stand-in for all real numbers. If we really wanted to make that fact clear, we could write the two inequalities like this:
Formally, you'd read
as " is an element of the set of real numbers," which is a fancy way of saying that can be any real number.
2)
Here, the variable
Formally, you'd read