The associative property of addition says that when we add more than two numbers the grouping of the addends does not change the sum. In the example above, we can easily observe that: (3 + 6) + 8 = 3 + (6 + 8). 9 + 8 = 3 + 14. 1 7 = 17. Notice that the SUM is the same no matter what way you group the addends.
Cooking a pork roast on a rotisserie grill set for direct or indirect low heat will take up to four hours for an average 5-to 6-pound roast. The finished internal temperature of the roast should be 145 F, when measured from the thickest portion of the roast.
1 4. Insert meat thermometer into center of beef roast. 2  5. 3  Cook on rotisserie over drip pan in closed grill over INDIRECT HEAT for about 1 1/2 hours (rare = internal temperature of 140ÂºF or medium = internal temperature of 160ÂºF).