Evaluate
\frac{321}{4}=80.25
Factor
\frac{3 \cdot 107}{2 ^ {2}} = 80\frac{1}{4} = 80.25
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\frac{170+78+73}{4}
Multiply 85 and 2 to get 170.
\frac{248+73}{4}
Add 170 and 78 to get 248.
\frac{321}{4}
Add 248 and 73 to get 321.
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