SOLUTION: write an inequality to this problem and solve: find the greatest three consecutive integers such that the sum of the first and third is less than 20

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Question 1014609: write an inequality to this problem and solve: find the greatest three consecutive integers such that the sum of the first and third is less than 20
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
We call the three consecutive integers, x, x+1, and x+2. Then we write
x + (x+2) < 20
2x + 2 < 20
2x < 18
x < 9
which means the three integers must be
8, 9 and 10.