Need help with this please or explain how to solve it

B The cost to use the service for one month if zero songs are downloaded

1

step-by-step explanation:

you are throwing one dart

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540