Find three consecutive even integers whose sum is 36.

Mathematics

2 answers:

sashaice [31]3 years ago

5 0

$2n+2n+2+2n+4=36\\
6n=30\\
n=5\\\\
2n=2\cdot5=10\\
2n+2=2\cdot5+2=12\\
2n+4=2\cdot5+4=14\\$

kow [346]3 years ago

3 0

Look at 36/3 = 12.
So let's try 12 along with the one before it and the one after it.

10 + 12 + 14 = 36

yay !

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