We now consider some problems, of a more difficult nature, the solutions of which involve the use of principles explained earlier in the book, e.g. unitary methods, rate and proportion, the method of mixtures and percentage. Many of the problems use a combination of these ideas which results in longer solutions; thus the student is liable to make more careless mistakes. If each line is thought out then these difficulties are easily overcome.
Weitere Kapitel dieses Buchs durch Wischen aufrufen
- Rates and Percentages
B.Sc. D. M. Neal
B.Sc. (Eng.), A.C.G.I. D. J. New
- Macmillan Education UK
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