zhangtiffany955
Answered

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Taylor1P

Answer:

[tex]r \geqslant - 5 [/tex]

Step-by-step explanation:

[tex]50 - 4r \leqslant 70[/tex]

[tex] - 4r \leqslant 20[/tex]

[tex] \frac{ - 4r}{ - 4} \geqslant \frac{20}{ - 4} [/tex]

[tex]r \geqslant - 5[/tex]

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