45 storybooks 30 science books The rest are maths books. Every week, students borrow 10 storybooks, 5 science books, and 8 maths books. Questions: 1. How many maths books are there in the library? 2. How many books are borrowed in one week? 3. How many books are left in the library after one week? 4. If the same number of books is borrowed every week, how many books will be borrowed in 4 weeks?

Question

RyanHarmon181 · Answer

Let's go through each part of the question step by step. 
 
 How many maths books are there in the library? 
 We know there are 45 storybooks and 30 science books in the library. Since the rest are maths books, we can subtract the number of storybooks and science books from the total number of books to find how many maths books are present. 
 Let's denote the total number of books as T . 
 If S is the number of storybooks and C is the number of science books, then the number of maths books M can be calculated as: 
 M = T − S − C = T − 45 − 30 
 Unfortunately, without the total number of books provided, we cannot determine the exact number of maths books. Please provide the total number of books to find M . 
 
 How many books are borrowed in one week? 
 Every week, students borrow 10 storybooks, 5 science books, and 8 maths books. We can add these together to find the total number of books borrowed in one week: 
 B = 10 + 5 + 8 = 23 
 Therefore, 23 books are borrowed each week. 
 
 How many books are left in the library after one week? 
 Without the total number of books, we can express the remaining books using the total number of books T and the weekly borrowed books B : 
 L = T − B = T − 23 
 Again, the exact number of remaining books cannot be determined without knowing T . 
 
 If the same number of books is borrowed every week, how many books will be borrowed in 4 weeks? 
 If 23 books are borrowed each week, then for 4 weeks, the number of books borrowed would be: 
 4 × 23 = 92 
 Thus, 92 books will be borrowed in 4 weeks.

In summary, to find the exact number of maths books and how many are left after one week, we need the total number of books initially in the library.

Answer (1)

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