Example:The ratio of 6 to 12, expressed as %:The ratio of 6 to 12 may be expressed as .5 or 1. To change to %, move the decimaltwo places to the right.This means there are 50 parts to 100.From a galvanized iron sheet weighing 46 1/4 pounds, an “ell” and one sectionof pipe were produced which weighed 30 pounds. Find the percentage of the scrap.PROPORTIONProportion is a statement of two ratios which are equal.ExampleSOLVING PROPORTIONSGiven the proportion:by cross multiplying: a x d = b x cExample:If 50 sheets of galvanized iron weigh 2,313 pounds, how much will 39 sheets weigh?Let W = weight of 39 sheetsAI-18

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