Asked by Bryan

Find another name for the given number, but with the deniominator indicated. Use multiplication by 1.

2/7= ?/14
Answered by drwls
7 ? = 28
? = 4

I don't see what "multiplication by 1" gets you.
Answered by Bryan
What did you get as the answear? and how did u get it?
Answered by drwls
I got 4, by cross-multiplying.

When a/b = c/d, ad = bc
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