Eliminating a disease suppose that in any given year, the number of cases of a disease is reduced by 20%. if there are 10,000 cases today, how many years will it take (a) to reduce the number of cases to 1000? (b) to eliminate the disease; that is, to reduce the number of cases to less than 1?

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.