HELP! Will give + 22 pts up for grabs Question : It takes a boat 2 hours to travel 24 miles downstream and 4 hours to travel 32 miles upstream.

What is the speed of the boat in still water? The boat travels at _ miles per hour in still water.

What is the speed of the current of the river? The speed of the current is _ miles per hour.

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?