Mary is looking to hire someone to snow plow her driveway for the winter. John charges $50 for the season plus an additional $20 per plow. Jim charges $75 for the season, plus an additional $15 per plow. How many plows until the two charge the same amount of money?

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

Steve had 48 chocolates but he decided to give 8 chocolats to each of his f coworkers. how many chocolates does steve have left

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?