Question

a+5b+22/ a+b+11, ЕСЛИ a/b=3

Answer 1

A / B = 3 ---> A = 3B 
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A + 5B + 22 = 3B + 5B + 22 = 8B + 22 = 2 * ( 4B + 11 )
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A + B + 11 = 3B + B + 11 = 4B + 11 
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( 2 * ( 4B + 11  ) ) / ( 4B + 11 ) = 2m
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ОТВЕТ 2