Mathematics, 22.12.2020 02:00 conniehodson

8. Number of boys in a class is twice the number of girls. 20% of the girls are brunettes and of the rest – half are blondes: Mary, Clara, Gina and Trisha. How many boys study in this class?

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8. Number of boys in a class is twice the number of girls. 20% of the girls are brunettes and of the...

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