The Kellys are having dinner at a local restaurant. Mr. Kelly wants to give the server a 15% gratuity, and the sales tax is 6.5%. He will use the amount of the bill to find each additional amount. Question 1 Part A Which components would Mr. Kelly use to write an equation to determine the total cost of the meal, given the amount of the bill, x?

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?