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Algebra
Question

Mark earns \( \$ 400 \) a week plus \( 5 \% \) com...

Mark earns \( \$ 400 \) a week plus \( 5 \% \) commission on all sales. Which inequality represents s, what mark's sales must be in order for him to earn at least \( \$ 700 \) for the week? 

\( { a. } s \geq 6000 \) 

\(  { b. } s \leq 6000 \) 

\( { c. } s \leq 22000 \) 

\( { d. } s \geq 22000\) 

Answer

\(400 + 5\% \ \text{of}\ s \ge 700\\\qquad \qquad \frac{5}{100}s \ge300\\\qquad \qquad \quad s \ge 6000\)

Solution
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