Question

20%=0,2=1/5=2/10=3/...=...20

Answer 1

Resposta:

20%=0,2=1/5=2/10=3/15=4/20

Explicação passo-a-passo:

1/5=3/x

x=3.5=15

1/5=y/20

y=20/5=4

20%=0,2=1/5=2/10=3/15=4/20