Tom and Harriet's table tennis game started at 5:55 P.M. and was over by 6:05 P.M. How long did their table tennis game last?

minutes

1 answer

Quick solution:
since 5:55 is 5 minutes before 6:00 and 6:05 is 5 minutes after 6:00,
the time passed is simply 10 minutes.

Detailed solution:
Since the measurement of time was somehow skipped over when the
logical metric system was development, we are stuck with the same
awkward calculations as the other medieval calculations of distance, mass,
and temperature found in the US.

so ....
difference between 6:05 and 5:55
= (5 hours, 65 minutes) - (5hours, 55 minutes), [we had to "borrow" 1 hour]
= 0 hours, 10 minutes
= 0:10
or just 1 minutes.

OR

if you have a decent scientific calculator you should see a function key
called D:M:S
which represents Degree, Minutes, and Seconds
which are units of angle measurement.
Since those measurement units have the same base as our time
measurements of hours, minutes and seconds, they can be used
to add or subtract those units.

so enter the following
6
push the D:M:S key
5
push the D:M:S key
-
5
push the D:M:S key
55
=

you should see something like
0° 10' 0"
which means 0 hours, 10 minutes, 0 seconds

( A very practical use: Suppose you have a musical playlist that
shows the times of each of the songs and you want to find out how
long it would take to play your playlist. The times would be stated such
as 3:45, etc. Using this function makes the addition of the times very easy)