A 136 students are in the cafeteria. The ratio of students buying lunch to those who brought their lunch is 3:10. How many stude
nts brought their lunch?
1 answer:
Given that <span>136
students are in the cafeteria and the ratio of students buying lunch to
those who brought their lunch is 3:10.
This means that for every 3 student buying lunch, there are 10 students who brought their lunch.
The number of students that brought their
lunch is obtained as follows:
![\frac{10}{3+10} \times136= \frac{10}{13} \times136= \frac{1,360}{13} \approx105\ students](https://tex.z-dn.net/?f=%20%5Cfrac%7B10%7D%7B3%2B10%7D%20%5Ctimes136%3D%20%5Cfrac%7B10%7D%7B13%7D%20%5Ctimes136%3D%20%5Cfrac%7B1%2C360%7D%7B13%7D%20%5Capprox105%5C%20students)
</span>
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