Kelly ran 2 miles and burned 240 calories. the next day she ran 3 miles and burnd 360 calories. the next day 4 miles and 480 calories. if this pattern contiues how many calories will she burn if she run 8 miles?

Suppose you are analyzing the relationship between time and distance given in a table,and there are 4 values for each quantity.you divide distance 2 minus distance 1 by time 2 minus time 1.you then divide distance 4 minus distance 3 by time 4 minus time 3 and get a different answer.what can you say about the relationship?