A rectangular pool is 20 feet wide and 50 feet long. A deck used for sunning surrounds the pool. The deck is the same width all
2 answers:
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Answer:
1/3 is the answer.
Step-by-step explanation:
Tanya prepared 4 different letters to be sent to 4 different addresses.
To solve this we can do the following:
The probability that the 1st letter is in the right envelope is =
The probability that the 2nd letter is in the wrong envelope is =
The probability that the 3rd letter is in the wrong envelope is =
The probability that the 4th letter is in the wrong envelope is = 1
So, the answer becomes: =
As we need 4 correct letters in the envelope, we will multiply by 4: