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20 minutes = 1/3 of an hour
1/3 = 0.333
1/3 x 45mph = 15, so she drove 15 miles at 45mph
18-15 = 3
3 miles/ 20 mph = 0.15 hours
0.333+0.15 = 0.483 hours total
0.483 x 60 = 28.98 so approximately 29 minutes total driving time
7:15 + 29 minutes is 7:44 am she arrived at work
The number of tissues that can fit the container will be given by:
[volume of the container]/[volume of tissue box]
volume of container:
V=length×width×height
V=19.5×39×19.5
V=14829.75
Volume of tissue box:
v=6.5×6.5×6.5
v=274.625
Number of tissues in the container:
14829.75/274.625
=54
Answer: 54 tissue paper boxes
Answer:
Step-by-step explanation:
Try to get x alone on one side
Add nine to both sides
18x - 9 = 5 + 12x
+ 9 + 9
Subtract 12x from both sides
18x = 14 + 12x
-12x -12x
Now that you have x alone on one side divide both sides by 6
6x = 14
Make a 4x4 table where rows are Alice, Bart, Pamela, and Robert, and where columns are the professions: Dentist, Laywer, Teacher and Writer.
Start crossing out possible pairing person-profession using the facts given. When a job is clearly assigned, you can cross it off for the rest of the people, for example, Pamela is a dentist so none of the rest are a dentist (because we are told they have all different jobs).
Eventually your table becomes filled.
Alice is a Lawyer
Bart is a Writer <<< so this is choice (B) for your answer
Pamela is a Dentist
Robert is a Teacher
Let me know if you have questions
