Pls help. Kate and Miley are selling Girl Scout cookies. Kate sold 27 boxes in 45 minutes. Miley sold 12 boxes in 30 minutes. At the same rates, how many total boxes will the girls have sold in one hour?
Hint: you will need 2 proportions to find the answer

The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities