If one pack of pens costs $12, then 4 packs of pens must cost 12×4 dollars, which is 48
4 packs of pens that cost $12 each is $48 for ONLY the pens.
If she also wants one pack of pencils that costs $6, then take the cost of the pens and add $6
$48+$6 is $54.
Joslyn needs $54 to buy the pens and pencils
