The number of boys in a class is 6 more then the number of girls. The ratio of the number of boys to the number of girls is 5/3. How many students are there in the class?

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Алгебра

Гедимин

7 декабря, 21:55

The number of boys in a class is 6 more then the number of girls. The ratio of the number of boys to the number of girls is 5/3. How many students are there in the class?

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Нюся · Answer 1

The number of boys - x,

the numder of girls. - y ⇒

x-y=6 x-y=6 (5/3) * y-y=6 (2/3) * y=6 y=9

x/y=5/3 x = (5/3) * y x = (5/3) * y x = (5/3) * y x=15 x+y=15+9=24.

There are 24 students in the class.