Answer:
Let the cost of each shirt be s.
Would assume each shirt was discounted by 3.66
Amount to be paid for each: s - 3.66
Total = 3*(s - 3.66)
3*(s - 3.66) = 62.31
s - 3.66 = 62.31/3
s - 3.66 = 20.77
s = 20.77 + 3.66
s = 24.43
Each shirt cost $24.43 before the discount.
Explanation: