In Arithmetic Operations <u><em>variables </em></u>are used to represent a yet unknown value that is needed for the final result. <u><em>Variables</em></u> are used in countless situations and are represented by letters or symbols. These letters and symbols are usually taken from the English Alphabet or the Greek Alphabet and used as variables. Since they are unknown until they are replaced by a value any symbol can be used.
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32÷16=2 so it takes two minutes per airplane. if she makes airplanes for 96 minutes at the same pace (2 min per airplane) then you need to divide 96 by 2 which gives you 48!
