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Acemy

Linear Inequalities in One or Two Variables

SAT Math· difficulty 3/5

Maya needs to score at least 90%90\% on 55 tests to get an A. She has scored 88,92,85,9188, 92, 85, 91 on the first four. What is the minimum she must score on the fifth test?

  • A

    94

    check_circle
  • B

    92

  • C

    93

  • D

    95

Explanation

88+92+85+91+x5≥90\frac{88+92+85+91+x}{5} \geq 90, so 356+x≥450356 + x \geq 450 and x≥94x \geq 94.

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