<img src="https://tex.z-dn.net/?f=80%20-%202w%20%5Cgeqslant%2050" id="TexFormula1" title="80 - 2w \geqslant 50" alt="80 - 2w \ge

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3 years ago

8

qslant 50" align="absmiddle" class="latex-formula">

1 answer:

djverab [1.8K]3 years ago

3 0

$80-2w \geq 50 \\ \\ 80 \geq 50+2w \\ \\ 80-50 \geq 2w \\ \\ 30 \geq 2w\quad \to \dfrac{30}{2} \geq w\quad \to \boxed{15 \geq w\to w\in (-\infty, 15 ] }$

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