Two pounds of peaches cost $4.50. 5 pounds cost $11.25 and 10 pounds cost 22.50 show that the relationship between the number of pounds of peaches and the cost is a porportional relationship. write an equation for the relationships

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?