Apple be A and blueberries be B
So
As per Venn diagram
- n(A)=12
- n(B)=7
- n(A$\cap$B)=3
#1
P(A)=12/24
P(B)=7/24
Add
#2.
n(AUB)
E=8+16=24
P(AUB)=16/24=2/3
They dont, i'd eat it all...
but 8/5= 1.6 pieces each
B. 3M-2N
this is because when you combine 4n and -6n you get -2n