To solve this we have to create an equation, and since all of the number of songs that people have are described in terms of how many more songs than lou they have, lou will be X, If kelly has 4 times as many songs as Lou that would be 4x, tiffany has 6 times as many songs as lou, she will have 6x:
To be parallel, gradients are the same! so the gradient is -5/2. y=-5/2x +c substitute the points youve been givrn into this to find c! 7=-5/2 (-6) +c 7=15 +c c must equal -7 y=-5/2x -7
