Answer:
20
Step-by-step explanation:
n(A) only =15-4=11
n(B) only=9-4=5
n(A n B)=4
n(A U B)=11+5+4=20
Answer:
The number of students who liked the book was 64.
Step-by-step explanation:
After reading a book for English class, 100 students were asked whether or not they enjoyed it.
Now, given that nine twenty-fifths of the class did not like the book.
So,
of the whole class did not like the book.
Then, the fraction of the class who did like the book was
.
Therefore, the number of students who liked the book was
. (Answer)
<h3>
Answer: 8</h3>
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Work Shown:

It will take 8 hours for the population to reach 196,608 bacteria.
Answer:
5
Step-by-step explanation:
$4.75 + 0.3x = $6.26
0.3x = 1.51
x = 5.033
Answer:
Principal=₹42800
Rate of interest=5% but 2 years so multiply by 2 =5×2=10%
Time=2 years
Simple interest=42800×10×2/100= ₹8560
Amount=42800+8560=Rs51360
The answer is ₹ 51360
Please make me as brainliest
Step-by-step explanation: