The Fairview Library is getting ready to move to a bigger building. So, the librarians need to pack 2 tons of books into cardboard boxes. Each box can safely hold about 25 pounds of books. If they already packed 50 boxes, how many more boxes should they expect to use?

First, let's convert the total weight of the books from tons to pounds:

\[
2 \text{ tons} = 2 \times 2000 = 4000 \text{ pounds}
\]

Next, determine the total weight of the books already packed into the 50 boxes. Each box can hold 25 pounds of books, so:

\[
50 \times 25 = 1250 \text{ pounds}
\]

Now, subtract the weight of the already packed books from the total weight:

\[
4000 - 1250 = 2750 \text{ pounds remaining}
\]

To find how many more boxes are needed, divide the remaining weight by the weight each box can hold:

\[
\frac{2750}{25} = 110 \text{ boxes}
\]

So, they will need **110 more boxes**.

Would you like further details or explanations? Here are 5 related questions:

1. How many total boxes will be needed for all the books?
2. What is the total weight of books already packed in tons?
3. If the box capacity were increased to 30 pounds, how many boxes would be needed in total?
4. How many pounds of books remain after packing the first 50 boxes?
5. What if they only packed 40 boxes—how many more boxes would they need then?

**Tip:** Always ensure units are consistent when solving word problems involving measurements like weight or volume.

Learn how to calculate how many more boxes are needed to pack 2 tons of books into 25-pound boxes. With 50 boxes already packed, find out the remaining number of boxes required using simple unit conversion and division. Suitable for students in Grades 5-7.

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