Jimmy’s dad gave him $100 on his birthday, which is january 1. jimmy deposited the $100 in his savings account the same day. at the beginning of every month thereafter, jimmy decides to deposit three times the amount he did in the previous month. on june 15 of the same year, the amount in jimmy’s account will be $?

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?