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March 25, 2017

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The all-city band is made up of students from 3 schools. bayside, lincoln, and hendricks. 20 students are in the all-city band. 5 students come from bayside. lincoln has 1 more student in the band than hendricks. how many students in the all-city band come from each school?

  • math - ,

    bayside=5
    lincoln x+1
    hendricks=x
    band 20=5+x+x+1
    20=2x+6
    14=2x
    7=x
    so hendricks has 7 and lincoln has 8

  • math - ,

    Hendricks --- x
    Lincoln ----- x+1
    Bayside ---- 5

    solve for x
    x + x+1 + 5 = 20
    2x+6=20
    2x=14
    x=7
    then plug it back in to hendricks,lincoln, and bayside

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