If I play for 15 minutes and ate for an hour then go play for an hour then rested for 20 minutes then went and played for 5 hours then sit at a camp fire for 2 hours then took a hour shower then slept for 12 hours how long did i play?

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?