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1994 AHSME Problems/Problem 14

Revision as of 22:06, 27 June 2014 by TheMaskedMagician (talk | contribs) (Created page with "==Problem== Find the sum of the arithmetic series <cmath> 20+20\frac{1}{5}+20\frac{2}{5}+\cdots+40 </cmath> <math> \textbf{(A)}\ 3000 \qquad\textbf{(B)}\ 3030 \qquad\textbf{(C)}\...")
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Problem

Find the sum of the arithmetic series \[20+20\frac{1}{5}+20\frac{2}{5}+\cdots+40\] $\textbf{(A)}\ 3000 \qquad\textbf{(B)}\ 3030 \qquad\textbf{(C)}\ 3150 \qquad\textbf{(D)}\ 4100 \qquad\textbf{(E)}\ 6000$

Solution

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