10.) loves to burn her own CD's from music she downloads off of the Internet. It takes her 15 minutes to download a 2.5 megabyte song if it is coming from a computer hooked to a 56 kbps modem. The same song will only take 1.2 minutes to download from a cable modem however. How much time will she save if she downloads a four megabyte song from a cable modem instead of a 56kbps modem?
HINT: You have to solve 2 proportions here and then compare the results.