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to calculate the ratio between two numbers sciencing how to write numbers in standard form sciencing how to write numbers in expanded form ratios-proportions how to use ratios & proportions in real life ratios-proportions how to calculate an average percent change ratios-proportions how to graph fractions...
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quick links news and information events calendar members' area media downloadables newsletter subscription member registration search the web vacancy tenders members only about ethiopia country profile ethiopian sesame and oilseeds export commodities investment opportunities ethiopia at a glance linseed...