Question 1202615
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Find three consecutive even numbers whose sum is 1284.

smaller number = 

middle number = 

larger number =
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<pre>
To find the middle number, divide 1284 by 3: you will get

    middle number = {{{1284/3}}} = 428.


Then the smaller number is 426 and the larger number is 430.


<U>ANSWER</U>. The numbers are 426, 428, 430.
</pre>

<pre>
                Explanation


Let x be the middle number.

Then the numbers are  (x-2), x and (x+2).


Adding them, we get  (x-2) + x + (x+2) = 3x.


It gives us an equation 

    3x = 1284,

which we used above to find the middle number.
</pre>

Solved, with explanation.