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4 (a) Write 2% as a decimal - OCR - GCSE Maths - Question 4 - 2020 - Paper 1

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4 (a) Write 2% as a decimal. (b) Write $ rac{11}{20}$ as a percentage.

Worked Solution & Example Answer:4 (a) Write 2% as a decimal - OCR - GCSE Maths - Question 4 - 2020 - Paper 1

Step 1

Write 2% as a decimal.

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Answer

To convert a percentage to a decimal, divide the percentage by 100. Therefore, 2% can be written as:

rac{2}{100} = 0.02

Thus, 2% as a decimal is 0.02.

Step 2

Write $ rac{11}{20}$ as a percentage.

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Answer

To convert a fraction to a percentage, divide the numerator by the denominator and then multiply by 100. For the fraction rac{11}{20}:

  1. Divide 11 by 20: 11extdividedby20=0.5511 ext{ divided by } 20 = 0.55

  2. Multiply by 100 to convert to a percentage: 0.55 imes 100 = 55 ext{%}

Therefore, rac{11}{20} as a percentage is 55%.

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