Question

In the middle of 3 consecutive numbers is x. Determine the numbers if their sum is 51​

Answer 1

• 16, 17, 18

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If the middle number is x, the other numbers are x - 1 and x + 1.

They sum to 3x and it is equal to 51:

• 3x = 51
• x = 17

The numbers are 16, 17 and 18.