Arthur had $90. he spent $31 and gave $19 to his brother. what fraction of arthur's
money is left?
i dont get itit isn’t 1/3 because that would be 30.. it’s not 1/2 because it’s not !

Apackage of bacon holds 15 strips of bacon. the pancake house uses 17 packages of bacon in the morning and 21 packages in the afternoon. how many more strips were used in the afternoon than the morning?

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

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?