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Elementary Algebra and Functions Videos 36 videos
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TSI Math: Creating an Inequality from Mathematical Terms 5 Views
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Description:
Katie and Jill take turns swimming laps in a pool. In total, Katie swims twice as many meters as Jill. If the girls want to swim more than 360 meters combined, which inequality represents how many meters x Jill needs to swim to reach that goal?
Transcript
- 00:02
All right yes i'm asked members here we go Another
- 00:03
word problem for you In the siri's katie and jill
- 00:06
take turns swimming laps in a pool In total katie
- 00:10
swims twice as many meters is jill If the girls
- 00:12
want to swim more than three hundred sixty meters combined
Full Transcript
- 00:16
like who does that Which inequality represents how many meters
- 00:20
x jill needs to swim to reach that goal Phrases
- 00:28
like more than and twice as many sound like everyday
- 00:32
phrases but both are encoded tightly with mathematical clues just
- 00:36
waiting to be cracked very specifics You gotta be exact
- 00:39
when you describe them start with a phrase twice a
- 00:41
cz many well for every meter jill swims katie swims
- 00:45
too We don't know how many meters jail was able
- 00:47
tio doggy paddle though so that value is x The
- 00:50
number of meters katie swims is two x will combine
- 00:54
the girls swim x plus two Acts or 3 acts
- 00:57
meters If you get that everything is a smooth sailing
- 01:01
or swimming or whatever Whatever value three ex winds up
- 01:04
being it must be mohr than three sixty if the
- 01:07
girls want to meet their goal well the problem doesn't
- 01:09
say anything about three sixty being adequate so use the
- 01:12
greater than symbol not the greater than or equal to
- 01:15
symbol Yeah so that that d there would be wrong
- 01:18
it's gotta be c three Acts is simply greater than
- 01:21
3 sixty not equal to it and that's the accurate
- 01:24
representation of the number of meters jail needs to cover 00:01:28.064 --> [endTime] that's it we're done
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