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  • 07-06-2018
  • Mathematics
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Class of 30 students, 6 usually are left handed, if 21 are left handed, how many students in the class?

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Thetruewaymybrudah Thetruewaymybrudah
  • 07-06-2018
30=6
90students = 18 lefty's
105=21
its like this because half of 30 is 15 so half of 6 would be 3
18+3=21
hope it helps
so its 105
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