The annual tuition at a public two-year college last year was $3,200. for the new school year, elizabeth's first year in college, the tuition is expected to increase 5%. she saved the same amount monthly to prepare for the cost of her tuition. what is theminimum amount elizabeth should have saved monthly during the previous year? $267$280$308$400

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?