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Direct and Inverse Proportion

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Question 61

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

$w\,$ is given by the formula: $w = 30 l$

Find the length of a wire weighing 75 grams.

Hence find the length of a wire weighing 150 grams.

[3]

Markscheme

Direct and Inverse Proportion Questions

GCSE
Maths
Direct and Inverse Proportion

189 exam-style questions on OCR 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

Question bank

Direct and Inverse Proportion

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Question 61

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

$w\,$ is given by the formula: $w = 30 l$

Find the length of a wire weighing 75 grams.

Hence find the length of a wire weighing 150 grams.

[3]

Markscheme

Direct and Inverse Proportion Questions

GCSE
Maths
Direct and Inverse Proportion

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