Alejandro downloads some videos and music to his computer. each video he downloads costs $5 and each song costs $1. he downloads a
total of 26 videos and songs for a total cost of $54. how many videos does alejandro download?

Alejandro downloaded 7 videos.

Step-by-step explanation:

Let videos and songs be downloaded.

Given:

Cost of 1 video = $ 5

∴ Cost of x videos =

Cost of 1 song = $ 1

∴ Cost of y songs =

Total cost for the downloads is $ 54.

So, ................. 1

Also, total number of downloads is 26.

So, ............... 2

Subtract equation 2 from 1, we get

Therefore, the number of videos downloaded are 7.

the answer is 15% decrease

9

step-by-step explanation: