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?
Thoughts? Step-by-step reasoning:
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First multiply the number of spots on the left side by 3: 16 spots * 3 = 48 spots. Then add 7 to find the number of spots on the right side: 48 spots + 7 spots = 55 spots. Then add the number of spots on each side to find the total number of spots: 55 spots + 16 spots = 71 spots.
Thus, the answer is 71.
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