Answer:
Pair 1: 9 and 3 Pair 2: 3 and 9
Explanation:
The difference is 6 and one three times more than the other. Draw a diagram below:
Figure out 1 unit: 6÷2=3
3 = one unit
3 is the first number
Figure out second number: 3+6=9
3 & 9, 9 & 3
So, Pair 1: 9 and 3 Pair 2: 3 and 9