Mathematics and Mathematical Literacy - Thutong

Mathematical Literacy (NSC)/Grade 11/ P1 56 ExemplarQUESTION 7A number of people from each age group listed below were tested for HIV in 2005. Usethe information contained in the bar chart below to answer the questions that follow:Estimated HIV prevalence among South Africansby Age in 200550Male PrevalencePercentage of population40302010`Female Prevalence02 to 45 to 910 to 1415 to 1920 to 2425 to 2930 to 3435 to 3940 to 4445 to 4950 to 5455 to 59over 60Age (years)SOUTH AFRICAN NATIONAL HIV SURVEY, 2005. http://www.avert.org/safricastats.htm7.1 Which age group had the highest prevalence of HIV in 2005? (1)7.2 Amongst which two age groups was the HIV prevalence the same? (2)7.3 Amongst which age group was HIV most prevalent in women? (2)7.4 If 132 people were tested in the age group; between 15 and 19 years, calculatehow many people in this age group were HIV positive in 2005, according to thissurvey. (3)7.5 Compare the prevalence of HIV in men and women aged between 25 and 29. (4)[12]Copyright reserved