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Old 20-03-2013, 20:12   #52
gpick24
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Re: World Maths Day Today

Quote:
Originally Posted by Gordon Booth View Post
But c= a divided by b. So you're both right.

20 divided by 4= 5 is arithmetic.
a divided by b =c, values known and unknown, is algebra.
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
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