\"\"

\

The proportion is \"\".

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\"\"                   (Multiply each side by 12) \ \

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\"\"                                (Cancel common terms) \ \

\

\"\"                                      (Multiply: \"\")

\

\"\"                                             (Divide: \"\")\"\"

\

Check:

\

\"\"                                   (Write the proportion)

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\"\"                                   (Substitute \"\")

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\"\"                                   (Simplify)

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The solution is \"\".\"\"

\

The solution is \"\".