Respuesta :

The Answer is x=15. Good luck!
s1m1

Answer:

Step-by-step explanation:

the fractions have to be equivalent to be in proportion so notice that

20 = 4·5  so

[tex]\frac{3}{4} = \frac{3*5}{4*5} = \frac{15}{20}[/tex]

x= 15 because  15/20 is proportionate with 3/4