Question

Alex bought 6 books for 8 dollars. He had 20% off the total cost ($8) how much did he pay for the books? It’s asking to write it up in 2 decimal places

Answer 1

SOLUTION

The total cost of the books is $8

Calculating 20% off gives

$\begin{gathered} 8-20\%\times8 \\ =8-1.6 \\ =6.4 \end{gathered}$

Therefore the amount paid is $6.40