You could buy 135 MP3 songs.
($304.25 - $149 = $155.25 | $155.25 / 1.15 = 135)
6( x - 4) = 7
6 x - 24 = 7
6 x = 7 + 24
6 x = 31
x = 31/6
6 ( 31/6 - 4) = 7
186/6 - 24 = 7
186/6 = 144/6 = 7
42/6 = 7
7 = 7
The answer is letter c because it doesnt have a closed circle so it doesnt need a line under the >
The answer is 61.
66 + 7 = 73
13 + 8 = 21
52 + 9 = 61 (The answer)
10 + 10 = 20