Respuesta :

Answer:

21 1/3

Step-by-step explanation:

First, make fractions into decimals:

1/2 = 0.5

1/4 = 0.25

0.5x + 0.25x = 16

0.75x = 16

--------   -------

0.75      0.75

     x = 21 1/3

Hope this helped.