7
lynn and susan read a total of 230 pages in one week susan read thirty fewer pages than tynn how many
pages did lynn read?

8. bob nuns a phone charging station at a local mall. he charges $1.75 to charge a phone and it costs him so so to
charge a phone and $20 a day for other expenses. write an equation that can be used to determine the number
of phones bob needs to charge in order to break even