Fractions, decimals and percentages：练习题

What is the decimal equivalent of the fraction \(\frac{3}{8}\)?

In a class of \(25\) students, \(11\) are boys.
What percentage of the class are girls?

Which symbol makes the following statement true?
\(0.72 \text{ ___ } \frac{3}{4}\)

A coat is priced at \(£80\). In a sale, the price is reduced by \(15\%\).
What is the sale price of the coat?

Write \(45\%\) as a fraction in its simplest form.

A company reports its profit as \(£15,000\) for the year. The following year, the profit increases by \(20\%\).
What is the profit in the second year?

Place the following values in order of size, starting with the smallest:
\(0.42\), \(\frac{2}{5}\), \(45\%\)

Work out \(\frac{3}{5}\) of \(£45\).

A local charity shop collects donations in three different buckets.
Bucket A contains \(£12.40\), Bucket B contains \(£18.60\), and Bucket C contains \(£9.00\).

(a) Calculate the total amount of money collected.
(b) What percentage of the total amount collected was in Bucket A?

A laptop is priced at \(£480\).
In a sale, the price is reduced by \(20\%\).

(a) Work out the sale price of the laptop.
(b) After the sale, the shop adds a delivery charge of \(5\%\) of the sale price. Work out the final amount a customer pays for the laptop including delivery.