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?
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.
Оцени ответ
Подпишись на наш канал в телеграм. Там мы даём ещё больше полезной информации для школьников!
