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Please look at the image

asked Mar 11, 2022 11.9k views

5 votes

Please look at the image

Please look at the image-example-1

Mathematics
college

by Wazoox

8.7k points

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1 Answer

3 votes

Answer:

$r \geqslant - 5$

Explanation:

$50 - 4r \leqslant 70$

$- 4r \leqslant 20$

$( - 4r)/( - 4) \geqslant (20)/( - 4)$

$r \geqslant - 5$

Minghui Yu answered Mar 16, 2022

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