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Rational Numbers Videos 16 videos
GED Math 5.4 Rational Numbers. How many gallons of custom color can Marcus create without buying any more paint?
GED Math 2.4 Rational Numbers. Lucius's favorite restaurant is how many km from his home?
GED Math 1.3 Rational Numbers. Which answer best fills in the blank?
GED Math 2.4 Rational Numbers 190 Views
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Description:
GED Math 2.4 Rational Numbers. Lucius's favorite restaurant is how many km from his home?
- Number and Quantity / Reason quantitatively and use units to solve problems
- Number and Quantity / Reason quantitatively and use units to solve problems
- Number and Quantity / Reason quantitatively and use units to solve problems
- Number and Quantity / Reason quantitatively and use units to solve problems
- Number and Quantity / Reason quantitatively and use units to solve problems
- Skill Area 1 / Rational Numbers (Quantitative)
Transcript
- 00:00
Thank you We sneak in and here's your shmoop du
- 00:05
jour brought to you by the department of public health
- 00:07
which gives this problem a solid b rating All right
- 00:11
we'll check out this day Lucious drew a scale map
- 00:14
of his home his work place and his favorite restaurant
Full Transcript
- 00:17
on a napkin on the napkin The distance between his
- 00:20
home his work place is seven centimeters and the distance
- 00:23
between his home and his favorite restaurant is two centimeters
- 00:27
The actual distance between his home and his work place
- 00:30
is thirty five kilometres All right lucious favorite restaurant is
- 00:36
how many kilometers from his home huh All right Here
- 00:41
the potential answer All right so what's this question asking
- 00:46
well were given a pretty little diagram Here was a
- 00:48
short paragraph of explanation and we need to use all
- 00:51
that stuff to determine how far lucious has to travel
- 00:54
from home to get his weekly sushi fixed All right
- 00:57
well let's break down the information we're given First we're
- 01:00
told that this drawing is to scale which doesn't mean
- 01:04
lucious home is actually seven centimeters from work Too bad
- 01:07
because that would be one heck of a commute but
- 01:10
it does mean that there is a direct correlation between
- 01:13
the itty bitty distances on a napkin app and the
- 01:16
real life distances they represent were given that the actual
- 01:20
distance from lucious home to work is thirty five kilometres
- 01:23
Well that's represented by seven centimetres on the napkin then
- 01:27
seven centimeters in napkin land equals thirty five kilometres Well
- 01:33
you simplify that a bit further and we divide both
- 01:35
sides by seven and it gets us that one centimeter
- 01:38
in napkin land equals five kilometers Okay so now because
- 01:42
we know the entire drawing is scale we can apply
- 01:45
that same ratio to the distance between lucious home and
- 01:48
favorite restaurant Well it's two centimeters on the map and
- 01:52
if one centimeter equals five kilometers well than in real
- 01:56
life the restaurant must be twice that or ten kilometers
- 01:59
from age's Home of answer is that and we don't
- 02:03
know how much longer it's going to be his favorite
- 02:05
restaurant because they've been getting pretty upset with him for 00:02:08.07 --> [endTime] stealing all their little cocktail napkin
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