Verified Answer :

dahamivherath

30inches×30=900inches
900÷100=9
30 inches+9=39 inches

answer-39inches
hope it helps

AL2006


-- The increase is  30%  of  30 inches.

-- How much is that ?  
                                 It's  (0.30 x 30 inches) = 9 inches.

-- Glue the increase onto the original amount:     
                                 30 inches + 9 inches = 39 inches.

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