Time
Exercise 17 (Page 1, 2 & 3)-Example
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1. Change 2 days 10 hours and 40 minutes into minutes:
2 days
= 2 x 24 = 48 hours
48 hours
+ 10 hours
= 58 hours
58 hours = 58 x 60 = 3480 minutes
3480 minutes
+ 40 minutes
=
3520 minutes
Answer:
3520 minutes
2. Change 10000 seconds highest possible units: (60 seconds = 1 minute)
10000 seconds
= 10000 ÷ 60 (= quotient=166 & remainder = 40) = 166 minutes and
40 seconds
166 minutes = 166 ÷ 60 (= quotient=2 & remainder = 46) =
2 hours and 46 minutes
Answer:
2 hours 46 minutes and 40 seconds
3. Change 10000 hours to highest possible units: (24 hours = 1 day)
10000 hours
= 10000 ÷ 24 (= quotient=416 & remainder = 16) = 416 days and
16 hours
416 days = 416 ÷ 7 (= quotient=59 & remainder = 3) =
59 weeks and 3 days
Answer:
59 weeks 3 days and 16 hours
4. Find number of days between December 2
nd
, 1999 to March 10
th
, 2000:
(Note: 2000 is a leap year so February has 29 days)
December = 30 (31 -1) days
January = 31 days
February = 29 days
March = 9 days
Total = 99 days
Answer =
99 days
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