You are going to the movie theater with your grandparents and your younger brother senior citizen tickets cost $6, your ticket costs 6.25 and your brother’s ticket cost 4.25, if you spent an additional $20 on soda and popcorn, what is the total cost of your trip to the movie theater?

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?