Use the ticket price in the first column in the formula 400-7p to get the answer for the second column (number of tickets sold)
Then multiple the number to f tickets in the second column by the price in the first to determine the revenue.
1:40 because 25 plus 15 equals 40 and if it went over 60 it would 2:00 so the answer is 1:40
He sold it for $12 since 20% of 10 is 2
P(H) = 1/2
P(>6) = 9/15 = 3/5
P(Both H AND >6) = 1/2 * 3/5 = 3/10
