The sum of two numbers is 15 and the
- the sum of two numbers is 15 and the sum of their reciprocals
- the sum of two numbers is 15 and the difference is 3
- the sum of two numbers is 15 and the difference is 5
- the sum of two numbers is 15 and the difference is 7
- the sum of two numbers is 15 and the sum of their squares is 113
- the sum of two numbers is 15 and the sum of their reciprocals is 3/10
