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Linear Equations in Two Variables

SAT Math· difficulty 5/5

Two runners 600 m apart run toward each other; one at 4 m/s, other at 6 m/s. They meet in:

  • A

    6060 s

    check_circle
  • B

    100100 s

  • C

    8080 s

  • D

    5050 s

Explanation

Combined speed 1010 m/s; 600/10=60600/10 = 60 s.

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