Answer:
0.40
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
Desired outcomes:
Exit A or exit B, so 2 desired outcomes.
This means that 
Total outcomes:
Any of the 5 exits, so 
Probability:

Answer:
Step-by-step explanation:

Took 3 of us in grade 10 but johns present age is 77.5 and his sister is 72.5
Answer:
$20.64
Step-by-step explanation:
if you cut 61.92 in to thirds
61.92/ 3= 20.64
so if Sarah's friends payed 2/3 of the bill Sarah herself payed 1/3 which is $20.64