Solve for: (20+(2.5 * 3))-3^3

Expression: $\left( 20+\left( 2.5 \times 3 \right) \right)-{3}^{3}$

Multiply the numbers

$\left( 20+7.5 \right)-{3}^{3}$

Evaluate the power

$\left( 20+7.5 \right)-27$

Add the numbers

$27.5-27$

Subtract the numbers

$\begin{align*}&0.5 \\&\begin{array} { l }\begin{array} { l }\frac{ 1 }{ 2 },& 5 \times {10}^{-1}\end{array},& {2}^{-1}\end{array}\end{align*}$