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17-11-2016
Mathematics

contestada

Solve. 3/9A = 81

a = 9

a=81 3/9

a = 27

a = 243

Respuesta :

18-11-2016

To solve for A, multiply each side by 9A to get rid of the fraction, so then 3 = 81(9A) --> 3 = 729A --> 3/729 = 1/243

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