A bowl contains blackberries and raspberries. You are given the total number of berries in the bowl and ratio of blackberries to raspberries. How many of each berry are in the bowl?
3. 15 berries; 1 to 4 4. 24 berries; 5 for every 3
5. 54 berries; 2 : 7 6. 48 berries; 13 for every 11