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maths

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in a class there are 50 students,15 girls wear glasses 8 do not wear glasses.20 boys don't wear glasses.how many students wore glasses

  • maths -

    15 + 8 = 23 girls in the class

    50 - 23 = 27 boys

    27 - 20 = 7 boys wear glasses

    15 + 7 = 22 students wear glasses

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