Question

Find the values of each of the following using properties of multiplication.

$16\times 191-21\times 191+85\times 191$

Answer 1

$16\times 191-21\times 191+85\times 191$

Here, we can use the distributive property of multiplication over addition and subtraction.

$$\begin{gathered} =191\times (16-21+85) \\ =191\times 80 \\ =15280 \end{gathered}$$

Hence, the value of $16\times 191-21\times 191+85\times 191$ is $15280$.