Question

A computer downloaded 20 kilobytes of data in 4 seconds. If it downloads data at a constant speed, it can download ______ kilobytes of data in 15 seconds.

Answer 1

75 KB

Explanation:

it can download 5 kilobytes of data per second so 15 seconds would be 75 kilobytes 15*5

Answer 2

75 kB

Explanation:

let's say v the speed of transmission

v=20kB/4s=5 kB/s

Data downloaded =v*t=5kB/s*15s= 75 kB*s/s= 75 kB.