Look at the calendar for January of a certain year. Answer the questions that follow.

a) How many weeks are there in January?
b) On what day of the week does 12 January fall?
c) Luke has a birthday on 25 January. On which day does it fall?
d) How much time passes from 1 January until 23 January?
e) How much time passes from 06:00 on 5 January until 14:00 on 7 January?
f) How much time passes from 07:13 on 12 January until 23:45 on 29 January?

S M T W T F S
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31

January has 5 weeks, 12 January falls on a Tuesday, Luke's birthday on 25 January falls on a Tuesday, from 1 to 23 January there are 22 days, from 5 to 7 January there are 56 hours, from 12 to 29 January there are 17 days, 16 hours, and 32 minutes.

Explanation:

a) There are 5 weeks in January. You can see this by counting the number of weeks starting from the first Sunday to the last Saturday in the month.

b) On the calendar, 12 January falls on a Tuesday.

c) To find the day on which 25 January falls, you can count the number of days from a given reference day, such as the first day of the month. In this case, counting from the first day of January, 25 January falls on a Tuesday.

d) From 1 January to 23 January, a total of 22 days pass. You can count these days on the calendar by counting the number of days between the two dates.

e) From 06:00 on 5 January to 14:00 on 7 January, a total of 56 hours pass. To calculate the time difference, subtract 14:00 on 7 January from 06:00 on 5 January.

f) From 07:13 on 12 January to 23:45 on 29 January, a total of 17 days, 16 hours, and 32 minutes pass. To calculate the time difference, subtract 23:45 on 29 January from 07:13 on 12 January.

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