What three consecutive integers have a sum of 1167?

Here we will use algebra to find three consecutive integers whose sum is 1167. We start by assigning X to the first integer. Since they are consecutive, it means that the 2nd number will be X + 1 and the 3rd number will be X + 2 and they should all add up to 1167. Therefore, you can write the equation as follows:

(X) + (X + 1) + (X + 2) = 1167

To solve for X, you first add the integers together and the X variables together. Then you subtract three from each side, followed by dividing by 3 on each side. Here is the work to show our math:

X + X + 1 + X + 2 = 1167
3X + 3 = 1167

3X + 3 - 3 = 1167 - 3
3X = 1164

3X/3 = 1164/3
X = 388

Which means that the first number is 388, the second number is 388 + 1 and the third number is 388 + 2. Therefore, three consecutive integers that add up to 1167 are 388, 389, and 390.

388 + 389 + 390 = 1167

We know our answer is correct because 388 + 389 + 390 equals 1167 as displayed above.

Three Consecutive Integers
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What three consecutive integers have a sum of 1168?
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