The stadium tickets are priced at $22 and $14.  The number of $22-dollar tickets available is  1¹₅ that of the number of $14-dollar tickets. 2 out of 5 of the $22-dollar tickets and all the $14-dollar tickets were sold. The ticket sales amounted to $2456. How much more would have been collected if all the tickets were sold?

	$22	$14
Comparing $22 and $14 tickets at first	6x5 = 30 u	5x5 = 25 u
Before	5x6 = 30 u
Change	- 2x6 = - 12 u	- 25 u
After	3x6 = 18 u	0 u

The number of 22 tickets at first is repeated.  Make the number of 22 tickets the same.  LCM of 5 and 6 is 30.

1¹₅ = ⁶₅

Number of $22 tickets : $14 tickets = 6 : 5

	$22	$14	Total
Number	12 u	25 u
Value	$22	$14
Total value	264 u	350 u	$2456

Total amount collected from the sale of the sold tickets
= 264 u + 350 u
= 614 u

1 u = 2456 ÷ 614 = 4

Number of $22-tickets left unsold
= 18 u 
= 18 x 4
= 72

More amount to be collected if all the tickets were sold
= 72 x 22
= $1584

Answer(s): $1584