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CAHSEE Math 2.1 Measurement and Geometry
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Measurement and Geometry: Drill Set 2, Problem 1. How far is this distance in real life?

CAHSEE Math 2.2 Measurement and Geometry
184 Views

Measurement and Geometry Drill 2 Problem 2. If Sarah is required to swim three lengths of this pool, how far, to the nearest foot, will she need to...

CAHSEE Math 2.3 Measurement and Geometry
169 Views

CAHSEE Math Measurement and Geometry Drill 2, Problem 3. How far apart in kilometers is the destination away from the starting point?

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CAHSEE Math 2.2 Measurement and Geometry 184 Views


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Description:

Measurement and Geometry Drill 2 Problem 2. If Sarah is required to swim three lengths of this pool, how far, to the nearest foot, will she need to swim?

Language:
English Language

Transcript

00:03

Here's a question to give your brain a solid shmooping...

00:06

Sarah is taking swim lessons from Aquaman in a swimming pool with a length of 50 meters.

00:12

If Sarah is required to swim three lengths of this pool, how far, to the nearest foot,

00:17

will she need to swim? Hint: 1 meter is approximately 1.083 yards.

00:24

And here are the potential answers:

00:32

OK, this is a standard conversion question-- meters to feet...

00:36

...with the wild and crazy tricky curveball thrown in there that she's swimming 3 laps.

00:41

Ooh. Brutal. Aquaman is apparently a very demanding instructor.

00:45

So we need to convert 150 meters into uh... how many feet?

00:50

Just rounding and assuming we don't have a calculator or an iPhone or a geeky kid handy

00:54

to do the math in his head...we can figure this one out fast.

00:58

A meter is roughly 1.1 yards -- i.e. a meter is a bit longer than a yard.

01:03

So it makes sense that the number of yards would be a bit longer...

01:07

and if it was exactly 1.1 times longer...

01:10

...we could multiple the 150 meters by 1.1 to get roughly 165 yards...

01:16

...but they want the ANSWER in feet -- so multiply that 165 by 3 and we get 495...

01:24

...which is close enough to 487 for military work.

01:28

The answer is D.

01:29

As in... "Dweller of the Depths"

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