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The ratio of salary of A:B=1:2,B:C=3:4, ...

The ratio of salary of `A:B=1:2,B:C=3:4, C:D=5:6` and `D:E=7:8` What is the ratio of salary of A and E?

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A:B:C:D:E=(1xx3xx5xx7):(2xx3xx5xx7):(2xx4xx5xx7):(2xx4xx6xx7):(2xx4xx6xx8)
or A:B:C:D:E=105:210:280:336:384
So the salary of A:E =105:384=35:128
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