From 1960 to 1970, the consumer price index (cpi) increased from 29.6 to 48.2. if a dozen donuts cost $0.89 in 1960 and the price of donuts increased at the same rate as the cpi from 1960 to 1970, approximately how much did a dozen donuts cost in 1970?

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

Collin did the work to see if 10 is a solution to the equation r/4=2.4

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?