Math

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To get a B in physics, a student must score an average of 80 on four tests. First three scores were 68, 75 & 84.

What is the lowest score the student can make on the last test and still get a B?

  • Math -

    80 * 4 = 320

    68 + 75 + 84 = 227

    320 - 227 = 93

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