A certain music club charges an annual membership fee of $99, in return, its members will be able to buy and download songs at a
very low cost of 10 cents each. If Tyna spent a total of $149.30 including the membership fee, how many songs did she buy? A) 99+10x=149.30
B) 99-10x=149.30
C) 99-0.1x=149.30
D) 0.1x+99=149.30