Answer:
The original price of the shirt is $36.
Explanation:
Let us call p_o the original price of the shirt, then we know that $14.40 is 60% off
; or $14.40 is 100% - 60% = 40% of
. In other words,

This equation simplifies to
(we evaluated 40/100 )
We divide both sides by 0.4 and get:


The original rice of the shirt is $36.