50 \times 40 \%
Evaluate
20
Factor
2^{2}\times 5
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50\times \frac{2}{5}
Reduce the fraction \frac{40}{100} to lowest terms by extracting and canceling out 20.
\frac{50\times 2}{5}
Express 50\times \frac{2}{5} as a single fraction.
\frac{100}{5}
Multiply 50 and 2 to get 100.
20
Divide 100 by 5 to get 20.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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