Javed downloaded from the Internet two files that had a combined size of 696 megabytes. The size of the first file was 290 megabytes, and it took 5 minutes to download. Assuming that the files downloaded at a constant speed, how long did it take for the second file to download?
2 minutes
4 minutes
7 minutes
12 minutes

Question

AngeI · Answer

If the first file downloaded in 5 minutes and it was 290 megabytes, you could divided 290 by 5 to see how many megabytes gets downloaded a minute. 
290 / 5 = 58
You could then divided 696 by 58 to see how many minutes it is
696 / 58 = 12