Question

Marisol is making a rectangular wooden frame. She wants the length of the frame to be no more than 12 inches. She has less than 30 inches of wood to use. Which system of inequalities represents the possible length, l, and the possible width, w, that her frame could have?

Answer 1

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Answer 2

Varaibles:

l: length

w: width

Restrictions:

1) l ≤ 12

2) l + l + w + w < 30 => 2l + 2w < 30 => l + w < 30

3) l > 0

4) w > 0

System of equations (answer)

l ≤ 12

l + w < 30

l > 0

w > 0