so 1:2 and
2:6
we want to find who has to biggetst concentraction of punch becasue 1 cup of juice in 2 cups of water tastes stronger than 6 cans of juice in 100 cups of water
treat as fraction
1/2 and 2/6
1/2 times 3/3=3/6
3/6>2/6 so
1/2>2/6
therfor Jessica has stronger drink/punch mixtrue