Select The Best Answer For The Question.9. Will Bought 3 College Textbooks. One Cost $\$32$, One Cost $\$45$, And One Cost $\$39$. What Is The Average Price Of His Books? Choose The Statement That Correctly Calculates The
Understanding the Problem
In this problem, we are asked to find the average price of three college textbooks that Will bought. The prices of the textbooks are given as , , and . To find the average price, we need to add up the prices of all the textbooks and then divide by the number of textbooks.
Calculating the Average Price
To calculate the average price, we need to add up the prices of all the textbooks and then divide by the number of textbooks. The formula for calculating the average price is:
Average Price = (Price of Textbook 1 + Price of Textbook 2 + Price of Textbook 3) / Number of Textbooks
In this case, the prices of the textbooks are , , and . The number of textbooks is 3.
Step 1: Add up the prices of the textbooks
First, we need to add up the prices of the textbooks.
Price of Textbook 1 = Price of Textbook 2 = Price of Textbook 3 =
Total Price = Price of Textbook 1 + Price of Textbook 2 + Price of Textbook 3 Total Price = + + Total Price =
Step 2: Divide the total price by the number of textbooks
Next, we need to divide the total price by the number of textbooks to find the average price.
Average Price = Total Price / Number of Textbooks Average Price = / 3 Average Price =
Conclusion
Therefore, the average price of Will's college textbooks is .
Calculating the Average Price: A Step-by-Step Guide
Step 1: Add up the prices of the textbooks
- Price of Textbook 1 =
- Price of Textbook 2 =
- Price of Textbook 3 =
Step 2: Divide the total price by the number of textbooks
- Total Price = Price of Textbook 1 + Price of Textbook 2 + Price of Textbook 3
- Total Price = + +
- Total Price =
- Average Price = Total Price / Number of Textbooks
- Average Price = / 3
- Average Price =
Why is it Important to Calculate the Average Price?
Calculating the average price of college textbooks is important because it helps students to budget and plan their expenses. By knowing the average price of textbooks, students can make informed decisions about which textbooks to buy and how much to spend.
Tips for Calculating the Average Price
- Make sure to add up the prices of all the textbooks correctly.
- Divide the total price by the number of textbooks to find the average price.
- Use a calculator to help with the calculations.
- Check your work to make sure that the average price is correct.
Conclusion
Q: What is the average price of college textbooks?
A: The average price of college textbooks can vary depending on the institution, course, and type of textbook. However, according to a recent study, the average price of a college textbook is around .
Q: How do I calculate the average price of my college textbooks?
A: To calculate the average price of your college textbooks, you need to add up the prices of all the textbooks and then divide by the number of textbooks. The formula for calculating the average price is:
Average Price = (Price of Textbook 1 + Price of Textbook 2 + Price of Textbook 3) / Number of Textbooks
Q: What if I have more than three textbooks?
A: If you have more than three textbooks, you can still calculate the average price by adding up the prices of all the textbooks and then dividing by the number of textbooks.
Q: Can I use a calculator to help with the calculations?
A: Yes, you can use a calculator to help with the calculations. In fact, using a calculator can make it easier to calculate the average price and reduce the risk of errors.
Q: Why is it important to calculate the average price of my college textbooks?
A: Calculating the average price of your college textbooks is important because it helps you to budget and plan your expenses. By knowing the average price of textbooks, you can make informed decisions about which textbooks to buy and how much to spend.
Q: What if I have a discount or a coupon for one of my textbooks?
A: If you have a discount or a coupon for one of your textbooks, you can subtract the discount or coupon amount from the price of the textbook before calculating the average price.
Q: Can I use online resources to help me calculate the average price of my college textbooks?
A: Yes, you can use online resources such as textbook price comparison websites or calculator tools to help you calculate the average price of your college textbooks.
Q: What if I'm not sure how to calculate the average price of my college textbooks?
A: If you're not sure how to calculate the average price of your college textbooks, you can ask your instructor or a tutor for help. They can provide you with guidance and support to ensure that you understand the concept and can apply it correctly.
Additional Resources
- Textbook price comparison websites
- Calculator tools
- Online tutorials and guides
- Instructor or tutor support
Conclusion
In conclusion, calculating the average price of college textbooks is an important skill that students should learn. By following the steps outlined in this article and using online resources, students can calculate the average price of their textbooks and make informed decisions about their expenses.