alvarademely99 alvarademely99

22-11-2017
Mathematics

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To evaluate the expression 25x-400, what would x need to be if the result must be at least 200?

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carlafossil320 carlafossil320

22-11-2017

Formula:
[tex]25x - 400 \geqslant 200[/tex]
Add 400:
[tex]25x \geqslant 600[/tex]
Divide by 25:
[tex]x \geqslant 24[/tex]
x must at least be 24

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