Unit test: percents - part 1 assessment items fifty people were surveyed about their favorite flavor of frozen yogurt. the results of the survey are displayed in the circle graph. how many people prefer vanilla? enter your answer in the box. a pie chart displaying favorite flavors of frozen yogurt. chocolate is at 36 percent, strawberry is at 18 percent, vanilla is at 22 percent, banana is at 4 percent, and peanut butter is at 20 percent.

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?