What is the mixed number 4 4/25 as a decimal
2 answers:
The correct answer is: 4.16
Explanation:
Given mixed number:
In order to convert a mixed number into a decimal number, follow the steps mentioned below:
Multiple 4 with 25 and add the numerator to the answer you get by multiplying 4 with 25. After that, write that result in the numerator and divide it with 25:
Step-1:
Multiply 4 with 25.
4*25 = 100
Step-2:
Add numerator value, which is 4 in this case, in 100
100 + 4 = 104
Step-3:
Rewrite the fraction.
Step-4:
Calculate.
Hence the correct answer is 4.16.
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Answer: A. 85.7
Step-by-step explanation:
Given : Two sections of a class took the same quiz.
Section A had 15 students who had a mean score of 80, and Section B had 20 students who had a mean score of 90.
We know that ,
Then , for section A :
Similarly in Section B,
Total scores = Sum of scores in sec A+Sum of scores in sec B
=1200+1800=3000
Total students = Students in sec A +Students in sec B
=15+20=35
Now , the mean score for all of the students on the quiz =
Hence, the approximate mean score for all of the students on the quiz = 85.7
Thus , the correct answer is option A. 85.7.