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Jim saves 15% of his monthly salary. each month he saves £90. What is his monthly salary

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Hi.


1\%=(15\%)/(15)\ \therefore\ 1\%=(90)/(15)=6\\\\\\100\%=1\%\cdot100\\100\%=6\cdot100\\\boxed{100\%=600}

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Good studies.
User Parinda Rajapaksha
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