The average of seven consecutive whole numbers is 28. Find the SUM of the largest and smallest of the seven numbers.
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Worked Solution
Step 1: For 7 consecutive integers, the average = the middle (4th) value, so middle = 28.
Step 2: Smallest = 28 − 3 = 25. Largest = 28 + 3 = 31.
Step 3: Smallest + Largest = 25 + 31 = 56.
Answer: 56
Correct answer: 56
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