Mathematics
Mathematics, 05.01.2021 17:30, kitttimothy55

The prices of two radios are in the ratio x:y When the prices are both increased by £20, the ratio becomes 5:2
When the prices are both reduced by £5, the ratio becomes 5:1

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The prices of two radios are in the ratio x:y When the prices are both increased by £20, the ratio...

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