Respuesta :

Answer:

It is 20

Step-by-step explanation:

brainliest if you mind thanks

what is % of x

formula:

is/of=%/100

25/x=100/80%

use the reciprocal property:

x/25=80/100

multiply both sides by 100:

x/25*100=4x

80/100*100=80

combine:

4x=80

4x/4=80/4

x=20