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Guidance on solving exercise 3 on page 138 of Math 5 textbook
Problem:
Circle the letter before the correct answer:
Hương and Hồng agreed to meet at 10:40 in the morning. Hương arrived at the meeting place at 10:20, while Hồng arrived 15 minutes late. How long does Hương have to wait for Hồng?
A. 20 minutes B. 35 minutes C. 55 minutes D. 1 hour 20 minutes
Solution Method:
- Calculate Hồng's arrival time by adding the agreed meeting time to the time Hồng arrived late.
- Calculate the time Hương has to wait for Hồng by subtracting the time Hồng arrived at the meeting place from the time Hồng arrived.
Answer:
Hồng arrived at:
10:40 AM + 15 minutes = 10:55 AM
Hương had to wait for Hồng for:
10:55 AM - 10:20 AM = 35 minutes
Choose answer B.
Here's the guidance to solve exercise 3 on page 138 of Math 5 textbook in the consolidated practice section. Additionally, this section includes other exercises such as Solving exercise 2 on page 137, 138 of Math 5 textbook and Solving exercise 4 on page 137, 138 of Math 5 textbook. Let's check out the guidance on Solving Math Grade 5 page 137, 138 to excel in Grade 5 Mathematics.
