Linear Equations in Two Variables

SAT Math· difficulty 3/5

Sarah bikes at 12 mph. To bike 30 miles, the time required is:

  • A

    33 h

  • B

    2.52.5 h

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  • C

    22 h

  • D

    2.42.4 h

Explanation

Wait — 30/12=2.530/12 = 2.5 hours.

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