A music store marks up the instruments it sells by 30%. A. If the store bought a guitar for $45, what will be it’s store price?

B. If the price tag on the trumpet says $104, how much did the store pay for it?

C. If the store paid $75 for a clarinet and sold it for $100, did the store mark up the price by 30%?

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

Long division the problem is 40 ➗ 348 = ?

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?