SOLUTION: James multiplies his house number and half his house number together. His answer is 288. What is his house number?

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Question 833514: James multiplies his house number and half his house number together. His answer is 288. What is his house number?
Answer by hovuquocan1997(83) About Me  (Show Source):
You can put this solution on YOUR website!
Let James' house number be "x", half of the number will be x%2F2
Now if James multiplies his house number and half his house number together and get 288, we have the equation:
x%2A%28x%2F2%29+=+288
%28x%5E2%29%2F2+=+288
x%5E2+=+144
sqrt%28x%5E2%29+=+sqrt%28144%29
x+=+12
So his house number is 12
TA-DAH
:D