Rates, SM-Bank 002

Write each of the following as a rate in simplified form.

$18 for every 5 kilograms (1 mark)

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30 animals per 6 cages (1 mark)

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63 rainy days in 7 months (1 mark)

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Show Answers Only

a. \($3.60/ \text{kilogram}\)

b. \(5\ \text{animals}/\text{cage}\)

c. \(9\ \text{rainy days}/\text{month}\)

Show Worked Solution

a.	\($18/5\ \text{kg}\)	\(=\dfrac{$18}{5}/\dfrac{5}{5}\ \text{kg}\)
		\(=$3.60/\text{kg}\)

b.	\(30\ \text{animals}/6\ \text{cages}\)	\(=\dfrac{30}{6}\ \text{animals}/\dfrac{6}{6}\ \text{cages}\)
		\(=5\ \text{animals}/\text{cage}\)

c.	\(63\ \text{rainy days}/7\ \text{months}\)	\(=\dfrac{63}{7}\ \text{rainy days}/\dfrac{7}{7}\ \text{months}\)
		\(=9\ \text{rainy days}/\text{month}\)