To calculate the number of books in the school library that deal with carpentry, we can multiply the total number of books by the proportion of carpentry books: 0.3 * 0.2 = 0.06.
Therefore, 0.06 of the books in the school library deal with carpentry.
Similarly, to calculate the number of books that deal with electronics: 0.3 * 0.4 = 0.12.
So, 0.12 of the books in the school library deal with electronics.
How to books make up 0.3 of the books In the school library. Of these , 0.2 deal with carpentry and 0.4 deal with electronics
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