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Art of Problem Solving
AoPS Academy
AoPS Academy
Small live classes for advanced math
and language arts learners in grades 2-12.
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and language arts learners in grades 2-12.
![\[\frac{1}{2} \cdot \frac{2}{3} \cdot \frac{3}{4} \cdot \frac{4}{5} \cdot 60\]](http://latex.artofproblemsolving.com/3/a/6/3a69064b70e8c492e14cdcf83a92693ec9d84b13.png)
A(8) B(10) C(12) D(14) E. (16)
Art of Problem Solving is an
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