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Find the percent of 42377 books

i don't understand how to find percents

You don't have enough information to calculate percent. If we had a total of 42,377 books and we sold some of them

%books sold=(# books sold/42,377)x100


the question says:
For 1980, find the percent of all new ooks and new editions that were published in each subject area

Art=1691
Education=1011
Fiction=2835
Juvenile=2859
Literature=1686

Total New books and new editions=42377

%art books = (1,691/42,377)x100=3.99%

%educ books=(1,011/42,377)x100=2.39%
etc.
I should point out that adding all of the books together does not equal 42,377 but that's ok. For that reason the percent will not total 100%.
Do fiction, juvenile, and literature the same way. Check my work.

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