Evaluate
\frac{8x}{155}
Differentiate w.r.t. x
\frac{8}{155} = 0.05161290322580645
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\frac{400x}{25\times 310}
Divide \frac{400}{25} by \frac{310}{x} by multiplying \frac{400}{25} by the reciprocal of \frac{310}{x}.
\frac{8x}{155}
Cancel out 2\times 25 in both numerator and denominator.
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