Answer:
The retail price of the shirt is $19.2 .
Explanation:
As given
A shirt that has a wholesale price of $12 and is marked up by 60 percent .
60% is written in the decimal form

= 0.60
Markedup price = 0.60 Ă— 12
= $ 7.2
Thus
Retail price of shirt = Wholesale price of shirt + Marked up price
Put all the values in the formula
Retail price of shirt = $12 + $7.2
= $ 19.2
Therefore the retail price of the shirt is $19.2 .