Ruth is counting the number of spots on her cow. The cow has 16 spots on its left side and three times that number plus 7 on its right side. How many spots does it have total?
First multiply the number of spots on the left side by 3: 16 spots * 3 = <T>multiply(16, 3)=48 spots
Then add 7 to find the number of spots on the right side: 48 spots + 7 spots = <T>add(48, 7)=55 spots
Then add the number of spots on each side to find the total number of spots: 55 spots + 16 spots = <T>add(55, 16)=71 spots
