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Math I Videos 77 videos

SAT Math 2.4 Algebra and Functions
187 Views

SAT Math 2.4 Algebra and Functions

Solving Proportions Using Cross Products
6802 Views

This video covers how to use cross products to solve for a missing number in a proportion by setting that proportion with a variable over the produ...

GED Math 2.4 Rational Numbers
190 Views

GED Math 2.4 Rational Numbers. Lucius's favorite restaurant is how many km from his home?

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GED Math 2.3 Expression and Equations 234 Views


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Description:

GED Math: Expression and Equations Drill 2, Problem 3. How many hours did Tess work?


Transcript

00:03

Here's your Shmoop dujour, brought to you by slackers.

00:08

It's like if slacks and Dockers were to join forces and create the laziest pair of pants ever.

00:25

We've got Tess who's a real go-getter and Steven who's a bit of a slacker.

00:29

Together they work for 21 hours, but this problem wants us to know

00:32

that Tess put three more hours of work into this project than Steven did.

00:37

Maybe he had a good excuse, like his legs were broken.

00:40

All we have to do to solve this problem is set up a simple equation.

00:52

Having a single variable S makes life a lot easier.

01:14

Careful, because S is Steven's time. We need to tack on three more hours to get Tess' time.

01:24

Now the least Steven can do is give Tess a foot rub.

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