There will be 340 people on a school trip to Washington, D.C. Each school bus holds
45 people, and all the buses will be filled except for the last bus. How many school
buses will be needed and how many people will be on the last bus?
8 buses with 45 people on the last bus
8 buses with 35 people on the last bus
7 buses with 25 people on the last bus
8 buses with 25 people on the last bus

Question

UpStudy AI · Accepted Answer

To determine how many buses are needed and how many people will be on the last bus, follow these steps:

1. **Calculate the number of full buses:**
   - Each bus holds 45 people.
   - Divide the total number of people by the capacity of one bus: 
     $$
     \frac{340}{45} \approx 7.56
     $$
   - Since you can't have a fraction of a bus, you'll need **7 full buses**.

2. **Determine the number of people on the last bus:**
   - Multiply the number of full buses by the capacity to find out how many people are on those buses:
     $$
     7 \times 45 = 315
     $$
   - Subtract this from the total number of people to find out how many are left for the last bus:
     $$
     340 - 315 = 25
     $$
   - So, the last bus will have **25 people**.

3. **Total number of buses required:**
   - **7 full buses** plus **1 last bus** means you need **8 buses** in total.

**Answer:**  
8 buses with 25 people on the last bus
8 buses with 25 people on the last bus

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