Difference between revisions of "1995 AJHSME Problems/Problem 17"
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<math>\text{(A)}\ 12\% \qquad \text{(B)}\ 13\% \qquad \text{(C)}\ 14\% \qquad \text{(D)}\ 15\% \qquad \text{(E)}\ 28\%</math> | <math>\text{(A)}\ 12\% \qquad \text{(B)}\ 13\% \qquad \text{(C)}\ 14\% \qquad \text{(D)}\ 15\% \qquad \text{(E)}\ 28\%</math> | ||
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| + | ==Solution== | ||
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| + | By the tables, Annville has 11 6th graders and Cleona has 34. Together they have 45 6th graders and 300 total students, so the percent is <math>\frac{45}{300}=\frac{15}{100}=15\% \text{(D)}</math> | ||
Revision as of 12:59, 5 July 2012
Problem
The table below gives the percent of students in each grade at Annville and Cleona elementary schools:
![\[\begin{tabular}{rccccccc}&\textbf{\underline{K}}&\textbf{\underline{1}}&\textbf{\underline{2}}&\textbf{\underline{3}}&\textbf{\underline{4}}&\textbf{\underline{5}}&\textbf{\underline{6}}\\ \textbf{Annville:}& 16\% & 15\% & 15\% & 14\% & 13\% & 16\% & 11\%\\ \textbf{Cleona:}& 12\% & 15\% & 14\% & 13\% & 15\% & 14\% & 17\%\end{tabular}\]](http://latex.artofproblemsolving.com/0/4/d/04d9fa2706aa8263094d3283d69b3b746abadb9c.png)
Annville has 100 students and Cleona has 200 students. In the two schools combined, what percent of the students are in grade 6?
Solution
By the tables, Annville has 11 6th graders and Cleona has 34. Together they have 45 6th graders and 300 total students, so the percent is 
