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Thundertrick · Answer 1 · 2019-02-26T17:31:52+0000

for 16 you do

200-4.5x=20
-200. -200
-4.5x= -180
-4.5. -4.5
x= 40

for 17 since it says atleast the inequality would be

$x \geqslant 50$
so it would be the closed dot above the #50 with the line going to the right so it would be b

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