\"\"

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The proportion is \"\".

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\"\"                   (Multiply each side by 18) \ \

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\"\"                                (Cancel common terms) \ \

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

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\"\"                                          (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 \"\".