Respuesta :

Answer:

[tex]37\frac{1}{2}[/tex]

Step-by-step explanation:

let x be the percent

Now we have

x% of 56=21

x/100=21/56

x=100x21/56

x=[tex]31\frac{1}{2}[/tex]%

Answer:

yeah I think you're right.

Step-by-step explanation:

I mean 8x7 =56 and 3x7= 21 so yeah a is right.