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Ulleksa [173]
3 years ago
12

At the library you find 9 books on a certain topic. The library and tell you that 55% books on this topic have been signed out h

ow many books does the library have on this topic
Mathematics
2 answers:
nirvana33 [79]3 years ago
5 0
To get the answer we have to find 55% of 9.
First step is rewrite 55% as 0.55
Second and the last step is to multiply 0.55 times 9
0.55*9=4.95~=5 -its the answer
Lostsunrise [7]3 years ago
4 0
Firstly, you should find 10% of 9, which is 0.9 You've then got to multiply this by 5.5, as you've got 55 books. 0.9x5.5= 4.95 Therefore, as you cannot have .95 of a books, this has to be rounded to 5. Therefore, the library has 5 books out on the topic. Hope this helps :)
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