Question

The time it takes to burn
information onto a CD varies directly with
the amount of information. If 2.5 megabytes
of information take 10 seconds to burn, how
long does it take to burn 10 megabytes of
information?

Answer 1

2.5 /10 = 10 / x
100 = 2.5x
40 =x

Answer 2

The answer is 40 seconds.