Identify the property used in each step.
12.2 + 186+-4.3 + (-186)
12.2+-43 + 18.6+(-186)
122+ -43 + [18.6 + (-186)]
12.2 + 4.3 + (0)
122 + 43
7.9

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x,and the distance in miles, y, that he travels.