Solving Exercise 3 on page 143 of Math 5 Textbook

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Ngày cập nhật gần nhất: 15/4/2026

For a quick method to solve Exercise 3 on page 143, check the guide provided below on Time.

Guide to solve Exercise 3 on page 143 of Math 5 Textbook

Problem: An airplane travels at a speed of 860 km/h for a distance of 2150 km. Determine the arrival time of the plane if it takes off at 8:45 AM.

To find the time it takes for the airplane to cover the entire distance, divide the distance by the speed of the plane and convert the result to hours. To determine the arrival time of the plane, add the departure time to the time it takes to cover the distance.

The time for the airplane to cover the distance is: 2150 ÷ 860 = 2.5 hours 2.5 hours = 2 hours 30 minutes. The plane arrives at: 8:45 AM + 2 hours 30 minutes = 11:15 AM Answer: 11:15 AM.

Here is the solution for exercise 3 on page 143 of the Math 5 textbook. Additionally, there are two more exercises in this section: Solve exercise 1 on page 143 of the Math 5 textbook and Solve exercise 2 on page 143 of the Math 5 textbook. Visit the Solve Math 5 page 143 guide to excel in 5th-grade Math!

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