1-3
BELLRINGER
SECTION
• Did you have any problems with this
homework?
• If so, what were they?
• Ruth Abet worked from 7:30 to 11:55 and
from 1:00 to 4:50. Find the total number of
hours.
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MBA, Section 1- 3, Slide 1 of 13
SECTION 1-3
Section Objective
Calculate:
• total hours on a weekly time card
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MBA, Section 1- 3, Slide 2 of 13
SECTION 1-3
Key Words to Know
weekly time card (p. 96)
A record of the time you report for work and the
time you depart each day of the week.
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MBA, Section 1- 3, Slide 3 of 13
SECTION 1-3
Formula
Total Hours = Sum of Daily Hours
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MBA, Section 1- 3, Slide 4 of 13
SECTION 1-3
Example 1
Gail Stough is required to keep a weekly
time card.
What are her daily hours for September 18?
What are her total hours for the week?
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MBA, Section 1- 3, Slide 5 of 13
SECTION 1-3
Figure 1.1
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MBA, Section 1- 3, Slide 6 of 13
SECTION 1-3
Example 1 Answer: Step 1
Find the hours worked on September 18.
A.Time between 8:15 A.M. and 1:45 P.M.
(Before lunch.)
(1:45 + 12:00) – 8:15
13:45 – 8:15 = 5h:30min
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MBA, Section 1- 3, Slide 7 of 13
SECTION 1-3
Example 1 Answer: Step 1 (cont.)
B.Time between 2:15 P.M. and 4:59 P.M. (After
lunch.)
4:59 – 2:15) = 2h:44 min
5h:30min + 2h:44min = 7h:74min
Round to the nearest quarter hour = 8¼
hours
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MBA, Section 1- 3, Slide 8 of 13
SECTION 1-3
Example 1 Answer: Step 2
Find the total hours for the week.
Sum of daily hours
8 + 8¼ + 7½ + 8¼ + 8
4
8 + 8¼ + 7½ + 8¼ + 8 = 39 + /4 = 40 total hours
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MBA, Section 1- 3, Slide 9 of 13
SECTION 1-3
Practice 2
Regina Blanco worked from 8:00 to 10:45 and
from 12:30 to 4:15.
How many hours did she work?
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MBA, Section 1- 3, Slide 10 of 13
SECTION 1-3
Practice 1 Answer
A. Time between 8:00 A.M. and 10:45 P.M. (Before lunch.)
10:45 – 8:00 = 2h:45min (3/4 hour)
B.
Time between 8:00 A.M. and 10:45 P.M. (After lunch.)
4:15 – 12:30 = 3h:45min (3/4 hour)
C. 2h:45min (3/4 hour) + 3h:45min (3/4 hour) = 5h:90min
+1h
90 - 60 = 30
6h:30min 6 ½ hours
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MBA, Section 1- 3, Slide 11 of 13
SECTION 1-3
Practice 2
Jamal Parker works at a company that uses
military time. Thus, 1:00 P.M. is shown as 13:00,
2:00 P.M. as 14:00, etc. On Monday, October 1,
Jamal worked from 8:02 to 11:47 and from 13:08
to 17:06.
How many hours did he work on Monday?
How many hours did he work rounded to the
nearest quarter hour?
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MBA, Section 1- 3, Slide 12 of 13
SECTION 1-3
Practice 2 Answer
7 hours 43 minutes
Rounded to the nearest quarter hour = 7¾
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MBA, Section 1- 3, Slide 13 of 13
SECTION 1-3
CLASS WORK:
#3-11
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MBA, Section 1- 3, Slide 14 of 13
SECTION 1-3
EXIT
James Geisley works from 7:45 to
11:15 and from 12:05 until 3:50. Find
the total hours he works.
7 1/8 + 6 1/2 + 7 ¼ =
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MBA, Section 1- 3, Slide 15 of 13