Decrease 40 by 20%
You asked:
Decrease the quantity \(40\) by \(20 \%\) percent.
MathBot Answer:
\( 40 \) decreased by \( 20 \% \) is \( 32.0 \) .
Multiplying a number by \(\frac{100 - p}{100}\) decreases the number by \( p \% \). In this case: \[ 40 \times \frac{100 - 20 }{100} = 32.0 \]