# 6.2.5. Percentage

The ratio of the illiterate people to the literate ones in a village is . Express the ratio as a percentage.

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In an English exam, Adel scored 9 out of 20. Determine the percentage of Adel's score.

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If the percentage of girls in a mixed class is , determine the percentage of boys in it.

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In a school, 21 out of 25 students signed up for a trip. Determine the percentage of the participants.

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If a conditioned train carriage has 50 seats, where 32 are occupied, calculate the percentage of the occupied seats and that of the empty ones.

• A occupied seats , empty seats
• B occupied seats , empty seats
• C occupied seats , empty seats
• D occupied seats , empty seats
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Ramy bought a T-shirt made of cotton and textile, where the percentage of textile is only. Calculate the percentage of cotton and its equivalent fraction.

• A,
• B,
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• D,
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Express 0.4 as a percentage.

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Convert into a fraction in the simplest form.

• A
• B
• C0.32
• D
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of a kilogram grams.

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of of .

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A family pays of its monthly income for housing and clothing, for food, and saves the rest. Find how much this family can save monthly if its monthly income is 700 L.E.

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