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10-10-2018
Mathematics

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The percent of working students increased 11.7% to 51.3%, what was the percent prior to the increase

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kudzordzifrancis kudzordzifrancis

19-10-2018

Let the prior percentage be [tex]x[/tex]

If we add 11.7% to [tex]x[/tex], we get 51.3%.

That is [tex]x+11.7%=51.3%[/tex].

This is a linear equation in [tex]x[/tex], so we solve for x to obtain,

[tex]x=51.3%-11.7%[/tex]

[tex]x=39.6%[/tex]

Therefore the prior percentage was 39.6%

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