Mitch has 50 pieces of licorice. He shares them equally with his sister.
2 answers:
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Given :
On average, a refrigerator door is opened 99 times each day.
Len has two refrigerators in his house.
To Find :
How many times in a 8−week period are the refrigerator doors opened.
Solution :
Number of times door opened for 2 refrigerator , n = 99×2 = 198.
Number of days in 8 week , d = 8×7 = 56 days.
So, total number of times doors open in a period of 8-week is :
Therefore, refrigerator doors are opened about 11088 times.
Hence, this is the required solution.
Good luck to you! This problem was a mental workout. XD
Answer:
chance to grab both $20 bills
Step-by-step explanation:
There are ten bills in total.
The probability that the first dollar she picks is a twenty-dollar bill is 2/10 because she can pick either of the two twenty-dollar bills out of the ten in her wallet. Next, we need to pick the second bill. There are nine bills left, and only one is a twenty-dollar bill. The probability of choosing a second dollar bill is 1/9.
(2/10)*(1/9)=2/90=1/45