48. three people who work full-time are working together on a project, but their totaltime on the project is to be equivalent to that of only one person working full-time. if one of the people is budgeted for one-half of his time to the project and the second person for one-third of her time, what part of the third workers time should be budgeted to this pr

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?