Question

A. Estimate 49% of 162.B. Use mental math to calculate 49% of 162.

Answer 1

`\begin{gathered} \text{ The 49\% of 162 can be obtained by} \\ 162\cdot0.49=79.38!\text{ } \\ \\ we\text{ will estimate it!} \\ \\ \text{First, we know that 1\% of 162 is 1.62! and that 50\% of 162 is 81} \\ \\ \text{ If we substract the 1\% of the 50\% we get the 49\%!} \\ 81-1.62=79.38 \end{gathered}`