4.) At an ice cream shop the ratio of chocolate ice cream cones to vanilla ice cream cones sold is 5 to 3. Using this ratio, if 25 chocolate ice cream cones are sold in a
day, how many vanilla were sold that same day. Draw, label and use a tape diagram or
other method that you've been taught to solve. Write your answer in sentence
form.(2pt)

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?