Answer:
F & A
Step-by-step explanation:
The answers are F&A.
1. Your question tells that the percentage of the red marble in the bag is 25%. So if a child chooses 4 marbles, the probability that he could get 3 red marbles is A.0.047
2.In your question the supplier has a stock of parakeets were 10% is blue, so the chance of the supplier to deliver 1 blue parakeet out of 3 is letter B.0.243
Answer:
79-22=8h
Step-by-step explanation:
She can earn the rest by babysitting for only 8 hours,
so take 22 from 79, divide the total by 8 and that is how much she gets per hour (8h)