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Shana wants to use all 62 feet of the fencing she has to make a rectangular run for her dog. She decides to make
the length of the run 20 feet. She writes and solves the equation 21+2w = 62 to find the width of the run.
Which statements are true of the solution? Check all that apply.
The value of w is 10 feet.
The value of w can be zero.
The value of w cannot be a negative number.
Substitution is used to replace the variable l with a value of 20.
The subtraction property of equality is used to isolate the term with the variable w.

Shana wants to use all 62 feet of the fencing she has to make a rectangular run for her dog She decides to make the length of the run 20 feet She writes and sol class=

Respuesta :

Answer:

C, D, E

Explanation:

First off, we know that the width can't be negative in a 2-dimensional fence.

Then as we start to solve the equation, the only way to progress is to substitute in 20 for I. After that we need to isolate 2w so that you can find your answer by diving both sides by 2.

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