The band makes $300 from selling merchandise.
I found this out by finding the LCD for 3 and 5, which is 15.
Then I multiplied the 2 from 2/3 by 5, and the 1 from 1/5 by 3, which results in 10/15 and 3/15.
Next I divided 1500 by 15, which is 100.
Then I multiplied 100 by 3, and got 300.