Answer:
1. 30
2. 35
3. 50
4. 45
Step-by-step explanation:
1. Elapsed time =
45- 15 = 30 seconds
{two periods of time }
2. Elapsed time
= 40-5
= 35 seconds
3. Elapsed time
= 8:/0 - 7:20 = (8:/0-8:00)+ (8:00- 7:20)
= 10 min
+ 40 min
= 50 minutes
4. Elapsed time =
P:55- P:10 = 55-10 = 45 minutes
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Answers & Comments
Answer:
1. 30
2. 35
3. 50
4. 45
Step-by-step explanation:
1. Elapsed time =
45- 15 = 30 seconds
{two periods of time }
2. Elapsed time
= 40-5
= 35 seconds
3. Elapsed time
= 8:/0 - 7:20 = (8:/0-8:00)+ (8:00- 7:20)
= 10 min
+ 40 min
= 50 minutes
4. Elapsed time =
P:55- P:10 = 55-10 = 45 minutes