It will be 6hours and a half an hour I hope this helps
There were 40 advance tickets sold, and 30 same-day tickets sold.
X - y = 0.85
x + y = 1
----------------add
2x = 1.85
x = 1.85/2
x = 0.925
x + y = 1
0.925 + y = 1
y = 1 - 0.925
y = 0.075
so ur 2 numbers are : 0.925 and 0.075
The answer is 3 feet. have a nice day