Carl buys songs to download them to his computer. he has 20 rock songs, 15 country songs, 10 world songs and 5 classical songs. there are 50 in total. what fration of the songs were country? find fraction for each type of song. write them in simplest form and give its percent equivalent. explain the process

He has 20 rock songs, 15 country songs, 10 world songs and 5 classical songs.

There are 50 in total.

which in simplest fraction is given by:

and on multiplying the fraction with 100 we get the percent of songs.

Hence,

which in simplest fraction is given by:

Hence,

which in simplest fraction is given by:

Hence,

which in simplest fraction is given by:

Hence,

option 3 . (5x + 1) - (-10x + 6)

step-by-step explanation:

option 1 :

(4x + 3) + (-9x + 4)

or 4x+3 -9x + 4

or -5x + 7

option 2

(x - 2) - (6x - 9)

or x-2-6x + 9

or -5x + 7

option 3

(5x+ + 6)

or 5x + 1 + 10x -6

or 15x -5

option 4

-4x+2x+7-3x

-7x + 2x + 7

-5x + 7

hence only option 3 did   not satisfy the given simplify expression.