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Old 20-03-2013, 20:37   #57
gpick24
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Re: World Maths Day Today

Quote:
Originally Posted by gpick24 View Post
a=b X c
a is known, b is known, you want to know c.
So you divide both sides by c.
a/c=b X c / c
The X c/c cancel each other out and you get
a/c=b
Sorry, should have been divide both sides by b.
a/b=b X c / b
Multiplying by b then dividing by b cancel each other out.
a/b=c
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