Medium
The product of two consecutive odd numbers is 89999. What is their sum?
The product of two consecutive odd numbers is 89999. What is their sum?
Let the two consecutive odd numbers be n and n+2. Solving n(n+2)=89999 gives n=299, so the numbers are 299 and 301, with sum 299+301=600.
Re-check your working by substituting the answer back into the original question.