Library Books

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.

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Pankaja

  • Oct 7th, 2015
 

The number of books used to the total number of books available for each week this would be:
75 used compared to 220 available or 75/220
95 used compared to 220 available or 95/220
95 used compared to 220 available or 95/220
160 used compared to 220 available or 160/220
If, however, you are looking for the *average* over 4 weeks then the steps would be:
(1) add the usage for each week to get a sum 75+95+95+160 = SUM (left for you to calculate)
(2) divide the SUM by the number of weeks SUM / 4 = AVG used per week because there are 4 weeks of measurements
(3) place that number over the total books available
AVG / 220 is the ration of the AVERAGE books used PER WEEK compared to the total books available.

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