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Systems of Two Linear Equations in Two Variables

SAT Math· difficulty 4/5

A taxi charges \3flatplusflat plus$2permile.Anotherchargesper mile. Another charges$5flatplusflat plus$1.50$ per mile. After how many miles is the total cost equal?

  • A

    4

    check_circle
  • B

    6

  • C

    8

  • D

    2

Explanation

3+2m=5+1.5m3 + 2m = 5 + 1.5m → 0.5m=20.5m = 2 → m=4m = 4.

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