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Direct and Inverse Proportion

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Question 79

The weight of a piece of wire ( $w\,$ grams) is directly proportional to its length ( $l\,$ cm).

$w\,$ is given by the formula: $w = k l$

Find the length of a wire weighing 75 grams.

Give your answer in terms of $k$ .

[2]

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Direct and Inverse Proportion Questions

GCSE
Maths
Direct and Inverse Proportion

189 exam-style questions on WJEC GCSE Maths Direct and Inverse Proportion. Each one has a worked solution and a mark scheme showing where the marks go.

Direct and Inverse Proportion

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Direct and Inverse Proportion

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Question 79

The weight of a piece of wire ( $w\,$ grams) is directly proportional to its length ( $l\,$ cm).

$w\,$ is given by the formula: $w = k l$

Find the length of a wire weighing 75 grams.

Give your answer in terms of $k$ .

[2]

Video walkthrough

Direct and Inverse Proportion Questions

GCSE
Maths
Direct and Inverse Proportion

189 exam-style questions on WJEC GCSE Maths Direct and Inverse Proportion. Each one has a worked solution and a mark scheme showing where the marks go.