How to work with inverse proportion - A is inversely proportional to B

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This video is all about how to work with inverse proportion and forms part of the playlist on working with proportion - Quick Tests. I've also added to the GCSE Higher revision playlist.

3. A is inversely proportional to B. When A = 4, B = 6
a. Write a formula for A in terms of B
b. Calculate B when A = 12
c. Calculate A when B = 0.4


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