In a group of students, the number of girls is three-fourth of the number of boys. If two-third of the number of girls and one-half of the number of boys like mango juice, then what fraction of the total number of girls and boys like mango juice?
Let the total number of boys be 400. number of girls =300 (3/4X400=300) number of girls like mango juice=2/3 x 300=200 number of boys like mango juice=1/2 x 400=200 Total number of girls and boys who like mango juice (200+200) =400 Total number of girls and boys=700 Fraction of the total number of girls and boys who like mango juice= total number of girls and boys who like mango juice/total number of boys and girls = 400/700 = 4/7.
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