80-100 \times 20 \% -2 \%
Evaluate
\frac{2999}{50}=59.98
Factor
\frac{2999}{2 \cdot 5 ^ {2}} = 59\frac{49}{50} = 59.98
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80-100\times \frac{1}{5}-\frac{2}{100}
Reduce the fraction \frac{20}{100} to lowest terms by extracting and canceling out 20.
80-\frac{100}{5}-\frac{2}{100}
Multiply 100 and \frac{1}{5} to get \frac{100}{5}.
80-20-\frac{2}{100}
Divide 100 by 5 to get 20.
60-\frac{2}{100}
Subtract 20 from 80 to get 60.
60-\frac{1}{50}
Reduce the fraction \frac{2}{100} to lowest terms by extracting and canceling out 2.
\frac{3000}{50}-\frac{1}{50}
Convert 60 to fraction \frac{3000}{50}.
\frac{3000-1}{50}
Since \frac{3000}{50} and \frac{1}{50} have the same denominator, subtract them by subtracting their numerators.
\frac{2999}{50}
Subtract 1 from 3000 to get 2999.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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}