Lorent

Joseph is 3/5 times as old as John. What is the ratio of John's age to Joseph's age? What are the steps in answering this question?

Is it possible for a 2 digit number multiplied by a 1 digit number to equal the 2 digit number switched? e.g I know this is incorrect but it's an example. 18*3=81 I've done trial and error but I dont seem to find an answer. Why is it that this is not poss...

Is it 5:8

To oobleck, isnt joseph older?

So it means that joseph needs to have the bigger number? So 5:8?