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Mathematics 13 Online
OpenStudy (xcecex):

What is the ratio 5 to 105 expressed as a fraction in simplest form? Need help with ratios.

OpenStudy (joannablackwelder):

To simplify a ratio, divide both sides by common factors until no common factos are left.

OpenStudy (xcecex):

So 5 is a common factor.

OpenStudy (joannablackwelder):

Do you know of a common factor between 5 and 105?

OpenStudy (joannablackwelder):

Yup, great! :)

OpenStudy (xcecex):

:D

OpenStudy (joannablackwelder):

So, what do you get when you divide that out of both sides?

OpenStudy (xcecex):

1/21?

OpenStudy (joannablackwelder):

Perfect! :D

OpenStudy (xcecex):

Yay! thank you :)

OpenStudy (joannablackwelder):

No worrie. Great job!

OpenStudy (xcecex):

Can you help with a few more if you can?

OpenStudy (joannablackwelder):

Sure!

OpenStudy (xcecex):

Thanks! hold on let me get the questions.

OpenStudy (joannablackwelder):

Ok.

OpenStudy (xcecex):

Btw i got a 100% on tht test!!! Whoop whoop!

OpenStudy (joannablackwelder):

Yay! :)

OpenStudy (xcecex):

Okay so the question is "What is the solution to 1/3 (9x-6)= 2x+3"?

OpenStudy (joannablackwelder):

Ok. Do you have any idea how to start?

OpenStudy (xcecex):

Uhm combine like terms, right?

OpenStudy (joannablackwelder):

Yes, that is usually a good first step, but we need to get rid of a parentheses first to combine them.

OpenStudy (xcecex):

Right. So 9 minus 6 is 3. so 3x?

OpenStudy (joannablackwelder):

Ooo, no, 9x and 3 aren't like terms

OpenStudy (joannablackwelder):

Like terms have the same number of variables.

OpenStudy (xcecex):

Oh yeah. so 9x-2x?

OpenStudy (joannablackwelder):

That's closer. But we still need to get rid of the parentheses first.

OpenStudy (xcecex):

>_< Let me think here. So we need to get rid of the parentheses first.

OpenStudy (joannablackwelder):

Right.

OpenStudy (joannablackwelder):

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