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Question 1 of 2
Add 11 hours 12 minutes to 3:15pm Saturday.
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The ° ‘ ‘‘ or DMS function on a scientific calculator can be used to add or subtract time.
First, transform 3:15pm to military time by adding 12 hours
Next, add 11 hours 12 minutes
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|
15 hours 15 minutes +11hours 12 minutes |
|
= |
15°15°+11°12° |
press the DMS button on the calculator for every ° |
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= |
26°27’ |
Since the answer is greater than 24, it means the time we are looking for occurs the day after which is Sunday
Simply subtract 24 hours to convert it to military time
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26°27′-24° |
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= |
02°27’ |
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= |
0227 hours |
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= |
02:27am |
11 hours 12 minutes subtracted from 3:15pm Saturday is 02:27am Sunday.
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Question 2 of 2
Subtract 20 hours 35 minutes from 5:20pm Wednesday.
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The ° ‘ ‘‘ or DMS function on a scientific calculator can be used to add or subtract time.
First, transform 5:20pm to military time by adding 12 hours
Next, subtract 20 hours 35 minutes
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17 hours 20 minutes -20hours 35 minutes |
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= |
17°20°-20°35° |
press the DMS button on the calculator for every ° |
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= |
-3°15’ |
Since the answer is negative, it means the time we are looking for occurs the day before which is Tuesday
Simply add 24 hours to convert it to military time
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-3°15’+24° |
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= |
20°45’ |
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= |
2045 hours |
The time is in pm or in the afternoon since it is greater than 12.
Subtract 12 hours to get a proper time format
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2045 hours -12 hours |
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= |
8:45pm |
20 hours 35 minutes subtracted from 5:20pm Wednesday is 8:45pm Tuesday.
