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3 years ago

What is the percent of increase from 25 to 35?

1 answer:

6 0

X - the percent increase

$25+25x=35 \ \ \ |-25 \\
25x=10 \ \ \ |\div 25 \\
x=\frac{10}{25} \\
\Downarrow \\
x=\frac{10}{25}=\frac{10 \times 4}{25 \times 4}=\frac{40}{100}=40\%$

The answer is C. 40% increase.

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