Algebra

A history test is to have 20 questions in which some are multiple choice and some are essay. The multiple choice questions are worth 4 points each and the essay questions are worth 8 points each. if the test has a total of 100 points, how many of each type of question is on the exam?

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  1. m=number of multiple choice questons,
    e=number of essay questions. = (20-m)

    4*m + 8(20-m) = 100

    Solve for m.

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  2. 8m+160m=100
    168m=100
    m=100÷168
    m=25/42.

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  3. 25/42

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