THE DIFFERENCE BETWEEN MEGABITS AND MEGABYTES XD

So when you buy an internet package they advertise something around 15mbps first thing you'll probably ask is how fast can I download a 100 megabyte file we basically you take
15 megabits (mbps) a second and divide it by 8 that's how many megabytes a second you'll get 1.875 megabytes a seconds so lets round that up to 2 megabytes a second which translates into about 50 seconds to download your 100mb file on a 15mbps internet connection.
Hope I cleared the air on this issue!