A farmer is packing grapefruit into boxes. He packs the same number of grapefruit into each box. He has packed a total of 280 grapefruit into 10 boxes. He still has 170 grapefruit that must be packed. How many more boxes must the farmer pack?

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