Answer:
12,904 sec
Step-by-step explanation:
Each hour is 3600 seconds
each minute is 60 seconds
3600 * 3 + 35 *60 + 4 =
He has to sell 60 t-Shirts. if you need the work message me :D
This would be 4 * sqrt25 - 0
----------------- = sqrt25 = 5 answer
4 - 0