Which table shows a proportional relationship between weight and price

Write the rational number in lowest terms 99/-15

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

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955