Question

Encontre as frações equivalente 30/81=×/27

Answer 1

81/27 = 3
30 / 3 = x
x = 10
30 / 81 = 10 / 27

Answer 2

30   =  x
81       27  (:27)

30  =  x
 3       1

10 = x
x = 10

Resp.: 10
             27