Respuesta :
					                   3/4 k+3/8 k=12
=> 24/32 k + 12/32k = 12
=> 36/32 k = 12
=> 36k = 12 *32 = 384
=> k = 384/36
=> k = 32/3
Hope it helps !!!!
					                
					             => 24/32 k + 12/32k = 12
=> 36/32 k = 12
=> 36k = 12 *32 = 384
=> k = 384/36
=> k = 32/3
Hope it helps !!!!
 
			                   
													