Answer:
There are 30 blue berries
Step-by-step explanation:
1:7
_:210
210/7
30
Step-by-step explanation:
The mode is 7 because it is 5 times
Use elimination
-x - y = -9
x - y = 3
Add both equations
-2y = -6, y = 3
-x -(3) = -9
-x = -6, x = 6
Final answer: x = 6, y = 3