Problem

You earn \( \$ 13 \) per hour plus a commission equal to \( x \) percent of your sales as a cell phone sales representative.
What is your commission percentage \( (x) \) if you work 8 hours with sales of \( \$ 1200 \) worth of merchandise and your total earnings for the day is \( \$ 140 \) ?

Answer

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Answer

\( x = 0.05 \)

Steps

Step 1 :\( ext{Total Earnings} = \text{Hourly Earnings} + \text{Commission} \)

Step 2 :\( 140 = 13 \times 8 + 1200x \)

Step 3 :\( x = 0.05 \)

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