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Question 344409: In a library there are 5 cluster and each is having 44 books(module). In first weak 75 books are used, in second 95, in third 95 and in fourth 160 books are used.then tell how much fraction of books are used
Answer by Theo(13342)   (Show Source):
You can put this solution on YOUR website! Total number of books in the library is 5 * 44 = 220.
First week 75 are used which is fraction of 75 / 220.
Second week 95 are used which is fraction of 95 / 220.
Third week 95 are used which is fraction of 95 / 220.
Fourth week 160 are used which is fraction of 160 / 220.
Total number of books used in the 4 week period is 75 + 95 + 95 + 160 = 425.
Total fraction of books used is 425 / 220.
To get the decimal equivalent, just take the numerator and divide it by the denominator.
75 / 220 becomes .340909091
95 / 220 becomes .431818182
160 / 220 becomes .727272727
425 / 220 becomes 1.931818182
To get the percent used, just take the decimal equivalent and multiply it by 100%.
.340909091 becomes 34.0909091%
.431818182 becomes 43.1818182%
.727272727 becomes 72.7272727%
1.931818182 becomes 193.1818182%
If you round your percentages to 2 decimal places, then your percentages become:
34.09%
43.18%
72.73%
193.18%
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