79.50 x .06 = 4.77
79.50 + 4.77 = $84.27
The total cost was $84.27
2 because is isisisisisisisisis
Rate = 2 seats/11 minutes = 2/11 seats/min
Therefore the time required for s seats is

That is,
m = (11s)/2 min
When s = 16, obtain

When s = 19, obtain

Answers:

When s = 16, m = 88 min
When s = 19, m = 104.5 min