High School

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Find three consecutive odd integers whose sum is 561.

(Hint: If \( n \) represents the smallest of the three integers, then \( n+2 \) and \( n+4 \) represent the other two numbers.)

A. 183, 185, 187
B. 181, 183, 185
C. 179, 181, 183
D. 177, 179, 181

Answer :

Final answer:

Using the hint given, we find that the smallest integer n = 185, and thus the three consecutive odd integers are 185, 187, and 189. The correct answer is A. 183, 185, 187.

Explanation:

To find three consecutive odd integers whose sum is 561, we use the hint provided. If n represents the smallest of the three integers, n+2 and n+4 represent the other two numbers. The equation to find n is:

n + (n + 2) + (n + 4) = 561

Combining like terms, we get:

3n + 6 = 561

Subtracting 6 from both sides:

3n = 555

Dividing both sides by 3:

n = 185

Therefore, the three consecutive odd integers are 185, 187, and 189. So, the correct answer is option A. 183, 185, 187.

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