y y\,y is inversely proportional to the cube of x x\,x
When y=250y = 250y=250, x=0.2x = 0.2x=0.2
Find the value of y y\,y when x=0.5x = 0.5x=0.5
Hence, find the value of x x\,x when y=54y = 54y=54.
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Markscheme
Direct and Inverse Proportion Questions
164 exam-style questions on Eduqas GCSE Maths Direct and Inverse Proportion. Each one has a worked solution and a mark scheme showing where the marks go.