Maths Olympiad Prep

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, 2012

Algebra Difficulty 1.0 Junior Find the answer Canada

The value of 1+(3×5)2\dfrac{1+(3\times 5)}{2} is

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Solution

Using the correct order of operations, 1+(3×5)2=1+152=162=8\dfrac{1+(3\times5)}{2} = \dfrac{1+15}{2} = \dfrac{16}{2}=8.

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.