Answered

Mr. Jones receives 10% commission on each sale that he makes. He carned $450 lastweek in commissions. How much were his sales?Rephrase: $450 is 10% of what number?

Answer :

In order to calculate the total sales, knowing that his commission was $450, we can do the following rule of three:

[tex]\begin{gathered} \text{\$450}\to10\text{\%} \\ x\to100\text{\%} \\ \\ \frac{450}{x}=\frac{10}{100} \\ \frac{450}{x}=\frac{1}{10} \\ x=450\cdot10 \\ x=4500 \end{gathered}[/tex]

So the total sales was $4500.

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