When a song is sold by an online music store, the store takes some of the money, and the singer gets the rest. The graph below shows how much money a pop singer makes given the total amount of money
brought in by one popular online music store from sales of the song.
200
$250.00
($1000, $200)
$200.00
Paid to Pop Star
$150.00
($600, $120)
$100.00
($200, $40)
$50.00
$0.00
$0.00
$200,00
$1,000.00 $1,200.00
$400.00 $600.00 $800.00
Sales by an Online Music Store
a. Is this sales from the online store proportional to the money paid to the popstar.