Solve for S
S=1
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\frac{2}{4}S=\frac{1}{2}
Multiply 2 and \frac{1}{4} to get \frac{2}{4}.
\frac{1}{2}S=\frac{1}{2}
Reduce the fraction \frac{2}{4} to lowest terms by extracting and canceling out 2.
S=\frac{1}{2}\times 2
Multiply both sides by 2, the reciprocal of \frac{1}{2}.
S=1
Cancel out 2 and 2.
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