Linear Functions

SAT Math· difficulty 4/5

A delivery driver earns \50/dayplus/day plus $0.30permile.Afterdrivingper mile. After drivingmmiles,dailypaymiles, daily payP$ in dollars:

  • A

    P=0.30(m+50)P = 0.30(m + 50)

  • B

    P=0.30+50mP = 0.30 + 50m

  • C

    P=0.30m+50P = 0.30m + 50

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  • D

    P=50m+0.30P = 50m + 0.30

Explanation

Mileage 0.300.30 per mile, base \50$.

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