For everyone 4 feet he drops, 1 second will pass. (for everyone 1 second that goes by, he will be 4 feet lower)
12/3=4
(12)1.057=12.684
The answer is D. 12.684qt
That's easy if there is 100 chairs there would be 10 rows with ten chairs in each row
When i calculated it , it says 993.813
