The hard drive memory of desk-top computer used for word processing has a capacity of 4.0GByte (GB). (A byte is the amount of memory needed to store one alphabetic character.) A single page of double-spaced text requires about 6kB of memory and a simple line drawing takes about 25kB. How many pages of text and drawings can be stored on the hard drive if there is one drawing for every two pages of text material?