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

asked Mar 14, 2018 103k views

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Formula:

$25x - 400 \geqslant 200$
Add 400:

$25x \geqslant 600$
Divide by 25:

$x \geqslant 24$
x must at least be 24

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