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Mathematics 11 Online
OpenStudy (anonymous):

Gene wrote this equation for the area of a rectangle. 26.4w = 285.12. What is the width (w) of this rectangle? A. 10.8 units B. 11.0 units C. 258.7 units D. 7527.2 units

OpenStudy (anonymous):

What is the relation between 26.4 and w?

OpenStudy (anonymous):

its the width i think

OpenStudy (anonymous):

I mean, what is the relation between the 26.4 and the w? I already know what the w stands for.

OpenStudy (anonymous):

idk

OpenStudy (anonymous):

Are they being added? Subtracted? Multiplied? Divided?

OpenStudy (anonymous):

multiplied i think

OpenStudy (anonymous):

And what's the opposite of multiplication?

OpenStudy (anonymous):

division

OpenStudy (anonymous):

So to get the w alone, divide 26.4 on both sides.

OpenStudy (anonymous):

i dont get it

OpenStudy (anonymous):

\[\large \frac{26.4w}{26.4}~=~\frac{285.12}{26.4}\]

OpenStudy (anonymous):

1 and 10.8

OpenStudy (anonymous):

It would look like this right? \[\large w~=~10.8\] So that means that w is 10.8 units

OpenStudy (anonymous):

yes??

OpenStudy (anonymous):

Then you're done, the answer is 10.8. Understand how we got it?

OpenStudy (anonymous):

yes

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