Answer:
1.04P
P+0.04P
Step-by-step explanation:
To add tax, you add 4% or 0.04 of the total paid.
This can represented in many ways including 1.04P or 100% of teh price plus 4% of the price. This is 104% or 1.04 times the price P
You can also add to the price P + 0.4P the percent of the price.
