smartguy75555 smartguy75555

11-08-2018
Mathematics

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sanskriti16pdb3sm sanskriti16pdb3sm

11-08-2018

you find the LCM of 3, 4 and 7 which is 84.

84/3= 28 so x= 28

84/4= 21 so y=21

84/7= 12 so z=12

therefore, 28+21+12= 61. Your answer is D

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