Answer:
Step-by-step explanation:
b=boy
a= a on the exam
b=15
b∩a=6
b'∩a=3
b'∪a'=?
b'∪a'= b'+a'-b'∩a'
a= b∩a+b'∩a (law of total probability) = 9
a'= 25-9 = 16
b'= 25-15= 10
16+10-7=19
19/25= .76
Answer:
a
Step-by-step explanation:
I think this may be multiplication so 5 times 10 equls50
Answer:
$2(T) + $1.5(S) = $34
Step-by-step explanation:
Let:
tickets be represented by T
Snacks be represented by S
As total amount she paid is $34
The expression would be:
$2(T) + $1.5(S) = $34
i hope it will help you!
