AMC 8 1988 Problem 3

$\frac{1}{10}+\frac{2}{20}+\frac{3}{30} =$ $\text{(A)}\ .1 \text{(B)}\ .123 \text{(C)}\ .2 \text{(D)}\ .3 \text{(E)}\ .6$

Dataset text NuminaMath-1.5. Quoted with source.

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