Maths Olympiad Prep

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, 2021

Algebra Difficulty 1.2 Junior Find the answer Canada

Which of the following is equal to 110% of 500?

Pick one

Solutions — 2

Solution 1

Solution 1

10% of 500 is 110\frac{1}{10} or 0.1 of 500, which equals 50.

100% of 500 is 500.

Thus, 110% of 500 equals 500+50500 + 50, which equals 550.

Solution 2

110% of 500 is equal to 110100×500=110×5=550\dfrac{110}{100} \times 500 = 110 \times 5 = 550.

Solution 2

Solution 1

10% of 500 is 110\frac{1}{10} of 500, which equals 50.

Thus, 110% of 500 equals 500+50500 + 50, which equals 550.

Solution 2

110% of 500 is equal to 110100×500=110×5=550\dfrac{110}{100} \times 500 = 110 \times 5 = 550.

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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.