problem 241 mathcounts

Mathematics
Tutor: None Selected Time limit: 1 Day

At one school, the ratio of students who have one or more younger siblings to those who have no younger siblings is 6 to 5. If 180 students do not have a younger sibling, how many students at this school have one or more younger siblings?

Oct 12th, 2014

The correct answer is 216. ((180*6)/5) = 216. Thus, 216 students have one or more younger siblings.

Oct 12th, 2014

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Oct 12th, 2014
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