Answer:
9
Step-by-step explanation:
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62% because 200 silver coins out of 323 (total of all coins) is .619..., resulting in 62%
In this question , it is given that , the width of a rectangle is 6 2/3 inches.The length of the rectangle is twice its width.
First we need to convert mixed fraction to improper fraction.

And length is twice of width, so length is

The formula of perimeter is two times the sum of length and width.

Answer:
$0.37
Step-by-step explanation:
4.44/12=0.37
Although you have not included the statements about the solution to the set of the given equations, I can explain you what happen with that system.
You can arrive to the same conclusion by any method of solution of systems that you like.
The quickest in this case, is to multiply the equation of the lIne F by 5.
That leads to: 5 (x + y) = 5(8)
⇒ 5x + 5y = 40.
Now you can realize that the two representations (equations) correspond to the same line.
That means that there are infinite solutions, this is infinity values of x and y meet both equations.
If you graph line E and line F they overlap in the entire domain, so the graphing method also tells you that you cannot find one solution but infinite soluttions.