Respuesta :

Answer:

72 / 5

Step-by-step explanation:

( 12 / 5 ) + ( 6 / 5 )

= ( 12 + 6 ) / 5

= 18 / 5

[ ( 12 / 5 ) + ( 6 / 5 ) ] / ( 1 / 4 )

= ( 18 / 5 ) / ( 1 / 4 )

= ( 18 x 4 ) / 5

= 72 / 5