Solving Exercise 4 on Page 90 of Math 4 Textbook

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Solve Exercise 4 on Page 90 of Math 4 Textbook: In Focus Practice, a) How many fewer books were sold in Week 1 than in Week 4?

Guide to solving Exercise 4 on Page 90 of Math 4 Textbook

Solution method:
To solve this exercise, students need to carefully observe the chart above, compare the question with the corresponding data on the chart to answer the questions correctly.

Answer:
a) Week 1 sold 4500 books.
Week 4 sold 5500 books.
  Week 1 sold fewer books than Week 4 by:
5500 - 4500 = 1000 (books)
b) Week 2 sold 6250 books.
  Week 3 sold 5750 books.
  Week 2 sold more books than Week 3 by:
6250 - 5750 = 500 (books)
c) In total, 22,000 books were sold over the 4 weeks.
  The average number of books sold per week is:
22,000 : 4 = 5500 (books)

Part solving math problem class 4 page 90 Focus Exercises consists of 4 exercises, Next part solve Exercise 4 page 90 Math 4 Textbook. Mytour has answers and detailed solution methods for Solve Exercise 1 on Page 90 of Math 4 Textbook, Solve Exercise 2 on Page 90 of Math 4 Textbook, and Solve Exercise 3 on Page 90 of Math 4 Textbook, students need to grasp the knowledge of this lesson.

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Frequently Asked Questions

What is the method to solve Exercise 4 on Page 90 of the Math 4 Textbook?

To solve Exercise 4, students should carefully examine the chart provided, comparing the data against the questions asked. This involves calculating the differences in book sales between the weeks, ensuring accurate answers based on the given information.

How many fewer books were sold in Week 1 compared to Week 4?

In Week 1, 4500 books were sold, while in Week 4, 5500 books were sold. Therefore, Week 1 sold 1000 fewer books than Week 4, calculated by subtracting the two figures: 5500 - 4500 = 1000.

What was the average number of books sold per week over the four weeks?

The total number of books sold over the four weeks was 22,000. To find the average, divide this total by 4 weeks, resulting in an average of 5500 books sold per week.

What are the sales comparisons between Week 2 and Week 3 in the textbook exercise?

Week 2 sold 6250 books, while Week 3 sold 5750 books. This means that Week 2 sold 500 more books than Week 3, calculated by subtracting the sales of Week 3 from Week 2: 6250 - 5750 = 500.