Problem 7b: Pay Rise

Heuristics to highlight

Use equations/algebra; Use suitable numbers; Aim for sub-goals; Draw a diagram

In 2009, Peter was given a pay rise of 5% and in 2010, he was also given a pay rise of 5%. Is his total pay rise 10% over the two years? Justify your answer.



Suitable hints for Pólya Stages I, II and IV


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