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Explanation
- The sum of three consecutive numbers is 87.
- The greatest among three numbers will be figure out in this way.
Let suppose the three numbers are y, y + 1 and y + 2.
The sum of y, y + 1 and y + 2 is 87.
y + y + 1 + y + 2 = 87 ________ (i)
By simplifying equation (i), we can easily figure out the value of y (y = 28) and largest number (largest number = 30) as well.
To Find
Largest number = ?
Solution
Let suppose
Numbers are y, y + 1 and y + 2.
According to the given conditions
y + y + 1 + y + 2 = 87
3y + 3 = 87
3y = 87 – 3
3y = 84
y = 84/3
y = 28
Largest number = y + 2 = 28 + 2 = 30
Largest Number = 30 answer
Conclusion
The sum of three consecutive numbers is 87. The greatest among three numbers is 30.
