Tyrone has already typed 100 words for an essay and can type 35 words per minute.
Vanessa has already typed 120 words and
can type 30 words per minute. In how
many minutes will Tyrone and Vanessa
have typed the same number of words?

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?