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a=b 60% 30=b 10% a?

 Nov 30, 2015
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a = 0.6*b                     (60% = 0.6)

0.1*b = 30                  (10% = 0.1)

 

Multiply the second equation by 10 to get     b = 300

Put this in the first equation:     a = 0.6*300  so  a = 180

 Nov 30, 2015

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