Alejandra paints faces at kids’ birthday parties to earn extra money. the equation
m = 2.50f + 12 represents the relationship between the money she makes, m, and the number of faces she paints, f.
• alejandra wants to buy a new pair of uggs that cost $119.50. how many faces does she need to paint

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?