
That's 7.68% = 7.7% (rounded)
Note: C(5, 4) is the number of combinations of 5 things taken 4 at a time. You may have seen this written as

In general,
Well its better ig both ways. If u buy a house then its all ur expectations and all ur money on it. If u rent a house, then if anything u break u can give it to the owner and then they have to pay for it since it is their house.
Answer:
24 hours
Step-by-step explanation:
To answer this question, you just have to divide the total amount Mary is trying to earn, $132, by the unit rate, $5.50 per hour:
132 / 5.50 = 24
So, Mari needs to work 24 hours to earn $132
Hope this helps :)