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Mathematics 18 Online
OpenStudy (anonymous):

Can someone help me!!!!!!!!!!!!!!!!!!!! 25 less than one-third of a number is 2. What is the number? A.81 B.9 C.27

OpenStudy (tkhunny):

What is the number? Give it a name, so we can talk about it.

OpenStudy (anonymous):

I don't know

OpenStudy (tkhunny):

What do you mean you don't know? Just give it a name! There isn't anything to know. Make one up!

OpenStudy (anonymous):

pie

OpenStudy (tkhunny):

An odd choice, but let's go with it. Write an expression for one-third of that number.

OpenStudy (anonymous):

1/3

OpenStudy (tkhunny):

No, that's just one-third. What is one-third of the number we seek - the one we agreed to call "pie".?

OpenStudy (neer2890):

let the number be x. so 1/3*x-25=2 x-75=6 x=81

OpenStudy (tkhunny):

{sigh} Now, we'll never know if the OP can do it. Sad.

OpenStudy (neer2890):

sorry buddy.. i will never do that again... @tkhunny

OpenStudy (anonymous):

thanks @tkhunny and @neer2890

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