Evaluate
\frac{7n}{54}
Differentiate w.r.t. n
\frac{7}{54} = 0.12962962962962962
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\frac{n\times 7}{18\times 3}
Multiply \frac{n}{18} times \frac{7}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{n\times 7}{54}
Multiply 18 and 3 to get 54.
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