if a/b=c/d, which of the following must be true?
I. a/c=b/d
II. (a+b)/b=(c+d)/d
III. (a-b)/b=(c-d)/d

@terenzreignz

Question

if a/b=c/d, which of the following must be true?
I. a/c=b/d
II. (a+b)/b=(c+d)/d
III. (a-b)/b=(c-d)/d

@terenzreignz

terenzreignz · Answer

This is multiple choice... so, which do you think?

terenzreignz · Answer

Besides, it doesn't seem to call for much more than a little algebra...

anonymous · Answer

I think the first one must be true, right?

hartnn · Answer

oh, we did atleat 2 parts of this, remember ?

terenzreignz · Answer

You did? D:

anonymous · Answer

i forgot.....lol

hartnn · Answer

i will remind you, 
"Add 1 to both sides"

anonymous · Answer

@hartnn ahh, i remeber, let me try then

anonymous · Answer

II is correct, right?

hartnn · Answer

yup, 
now for II
try "Subtracting 1 from both sides"

hartnn · Answer

***for III

terenzreignz · Answer

Well then, I'd better leave you two to it, I need to go now :)
Please practice, @kryton1212 and read your book, if you have one, it doesn't hurt to have a firm grasp of basics ^_^
Signing off now...
------------------------------
Terence out

anonymous · Answer

@hartnn three of them are correct, right?
@terenzreignz bye then, thank you slao

hartnn · Answer

absolutely correct :)

anonymous · Answer

thanks

hartnn · Answer

welcome ^_^