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. 0.3 x 0.4 = 0.12
Interpret what the answer 0.12 represents in this equation above.
The portion of the books in the library that are two-to books on electronics.
The portion of books in the library that are about either carpentry or electronics
The portion of books in the library that are how-to books
The answer 0.12 represents the portion of books in the library that are both how-to books and deal with electronics.
The answer 0.12 represents the portion of books in the library that are both how-to books and specifically about electronics.
In the given equation, 0.3 represents the proportion of how-to books in the school library. Then, 0.4 represents the proportion of those how-to books that deal with electronics. To find the answer, we simply multiply these two proportions: 0.3 x 0.4 = 0.12.
Therefore, the answer 0.12 represents the portion of the books in the library that are how-to books specifically about electronics.