Linear Functions

SAT Math· difficulty 4/5

A salesperson earns \300/weekplus8/week plus 8% of sales. To earn $700$/week, sales must be:

  • A

    \5000$

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  • B

    \4000$

  • C

    \5500$

  • D

    \4500$

Explanation

300+0.08s=7000.08s=400s=5000300 + 0.08s = 700 \Rightarrow 0.08s = 400 \Rightarrow s = 5000.

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