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algebra in 8th your teacher is giving you a test worth 100 points containing 40 questions. There are two-point and four-point questions on the test. how many of each type of questions are on the test?

  • math - ,

    x two pointers and (40 -x) four pointers
    2x + 4(40-x) = 100
    2x + 160 - 4x = 100
    2x = 60 etc

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