250 \times (1+40 \% )
Evaluate
350
Factor
2\times 5^{2}\times 7
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250\left(1+\frac{2}{5}\right)
Reduce the fraction \frac{40}{100} to lowest terms by extracting and canceling out 20.
250\left(\frac{5}{5}+\frac{2}{5}\right)
Convert 1 to fraction \frac{5}{5}.
250\times \frac{5+2}{5}
Since \frac{5}{5} and \frac{2}{5} have the same denominator, add them by adding their numerators.
250\times \frac{7}{5}
Add 5 and 2 to get 7.
\frac{250\times 7}{5}
Express 250\times \frac{7}{5} as a single fraction.
\frac{1750}{5}
Multiply 250 and 7 to get 1750.
350
Divide 1750 by 5 to get 350.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}