Math homework help needed

Mathematics
Tutor: None Selected Time limit: 1 Day

Oct 30th, 2015

Hello!

I think I can:)

Ratio is something divided by something. Proportion is an equality of two (or more) ratios.

For example, a:b or c/d are ratios, a/b = c/d is a proportion.

The answer is B.

Please ask if something is unclear.
Oct 30th, 2015

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