You can find out how many more pencils the older brother had than the younger brother:
6+6=12 pencils
If the younger brother gives the older brother 6 pencils, find how many more pencils the older brother has than the younger brother:
12+6+6=24 pencils
Then the number of pencils the older brother has is three times the number of pencils the younger brother has. How many times more branches are there in the brother than in the brother;
3-1=2 times:
Find how many branches are there in the brother:
24/2=12 branches
Find how many branches are there in the brother:
12*3=36 branches
Find how many branches are there in the original brother:
12+6=18 branches
Find How many sticks did the brother have:
36-6=30 sticks.