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16 Last year, Cullen contributed 4 1/2% of hissalary to charity. If he contributed $2,025.00to charity, what was Cullen's salary?A $4,500B $9,125C $45,000D $91,125E $450,000

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If x is Cullen's salary, then 4 1/2% of his salary is equal to $2,025.00 (the amount he contributed to charity). First, we need to know that 4 1/2% is equivalent to:


4(1)/(2)\text{\%}=(4\cdot2+1)/(2)\text{\%}=(9)/(2)\text{\%}=4.5\text{\%}

Then:

4.5% of x = $2,025.00


\begin{gathered} (4.5)/(100)\cdot x=2025 \\ x=(2025\cdot100)/(4.5) \\ \\ \therefore x=\text{\$}45,000 \end{gathered}

Answer: C

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