SOLUTION: There is a two-digit number whose product is 18 and whose sum is 9. The number in the tens place is lower than the number in theones place. What is the two digit number?

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Question 181116: There is a two-digit number whose product is 18 and whose sum is 9. The number in the tens place is lower than the number in theones place. What is the two digit number?
Answer by solver91311(17077) About Me  (Show Source):
You can put this solution on YOUR website!

I'm pretty sure you meant that the product of the digits is 18 and the sum of the digits is 9.

Let x be the tens digit and y be the ones digit.

Then we know that and



Substituting:







But since we are also given that we know that

Therefore the number is 36.

John