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## McGraw-Hill Math Grade 3 Answer Key Chapter 9 Lesson 2 Measuring Time in Minutes

**Solve**

**Write how much time has passed.**

Question 1.

start 9:30

end 1:46

Answer:

4 hours and 16 minutes

Explanation:

1:46 can be written in the 24-hour format as 13:46.

Now subtract 9:30 from 13:46

13 hour 46 min

-9 hour 30 min

4 hour 16 mins

Question 2.

start 11:00

end 6:45

Answer: 7 hours 45 mins

Explanation:

6:45 can be written in the 24-hour format as 18:45

18 hour 45 mins

-11 hour 00 min

7 hour 45 mins

Question 3.

start 7:00

end 9:00

Answer: 2:00

9 – 7 = 2 hours

Question 4.

I am a time between 1:00 and 3:00. The hour digit is an even number. Both minute digits form an even number, too. The sum of the minute digits is 1. What time am I? _________________

Answer:

Given,

I am a time between 1:00 and 3:00.

The hour digit is an even number.

Both minute digits form an even number, too.

The time between 1:00 and 3:00 is 2:00