Answer:
The expression is
.
Step-by-step explanation:
Given:
The number of stamps in Kelly's stamp collection is 10 less than half the number of stamps in Marks collection.
Let m represent the number of stamps in marks collection.
Now, to write an expression show the number of stamps in Kelly's collection.
Let
represent the number of stamps in Marks collection.
And the number of stamps collection of Kellys be 
Now, to write an expression:
According to question:


Therefore, the expression is
.
well, the pencils are 9 bucks, but they're selling for 9.63, meaning the tax is 0.63 or 63 cents.
now, if we take 9 to be the 100%, what is 0.63 off of it in percentage?
We know that Length = x + 16 and Width = x.
Since the perimeter of the rectangle is 2 lengths + 2 widths,
Perimeter = 2(2x + 16) = 4x + 32.
the answer of the question is $36