Kara downloaded 384 selfies from her cell phone to her laptop. These selfies took up 768 megabytes of space on her laptop. Each selfie took up the same amount of space. How many megabytes do 40 selfies take up?
2 MB
80 MB
120 MB
75 MB
To find out how many megabytes 1 selfie takes up, we divide the total number of megabytes by the total number of selfies: 768 MB / 384 selfies = <<768/384=2>>2 MB/selfie
Therefore, 40 selfies x 2 MB/selfie = <<40*2=80>>80 MB. Answer: \boxed{80}.