Respuesta :

First divide
[tex]5.25 \div 5[/tex]
then multiply the answers of the previous equation
[tex]1.05 \times 3 = 3.15[/tex]

$5.25/5 = $1.05

Each note book costs $1.05.

3 x $1.05 = $3.15

So 3 note books costs $3.15.

Hope this Helps!!