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Caleb scored the following on his first four tests: 78, 84, 88, and 82. What is the least grade he can receive on his next test to have an average of 85 for the five tests?

a.66
b.83

c.93

d.100

  • 9gr -

    5*85=78+84+88+82+N
    solve for N

  • 9gr -

    83

  • 9gr -

    93

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