A large company put out an advertisement in a magazine for a job opening. The first day the magazine was published the company got 180 responses, but the responses
were declining by 10% each day. Assuming the pattern continued, how many total
responses would the company get over the course of the first 19 days after the
magazine was published, to the nearest whole number?

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

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?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.