A venue holds a concert on the last Saturday of each month. Tickets go on sale on the Sunday before the concert, with a decrease in price each day, as shown in the following table.
Day
Sunday
Monday Tuesday Wednesday Thursday
Friday
Saturday
Ticket price
$100
$90
$80
$70
$60
$50
$40
There are 500 tickets available for each concert Sometimes the tickets sell very quickly In January, 50 tickets were sold each day from Sunday to Friday
and the remaining tickets were sold on the Saturday
(a) What was the total income from the ticket sales? [1]
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(bi) in February, the last available ticket was sold on the Wednesday. (b) () What was the greatest possible income from the ticket sales? [1]
(bil) What was the least possible income from the ticket sales? [1]
In March all tickets were sold by the end of the Thursday Each day the number of tickets sold was 40 fewer than the previous day
(c) How many tickets were sold on the Thicks day? [2]