Maria wants to join a music class. Music class A charges an enrollment fee of $24.00 plus $12.00 per hour, and music class B charges an enrollment fee of $20.00 plus $16.50 per hour.

The graph below represents the fee for music class A and music class B.


According to the graph above, at approximately how many hours will the total fee for both the classes be equal?

1. 2.4
2. 1.8
3. .2
4. .8