Question

Complete as igualdades de modo a obter proporçoes

Answer 1

a)1/3 = x/15
x= 1.15/3
x= 5

b) x/4 = 6/8
    x= 4.6/8
    x= 24 / 8
    x= 3

c) 5/2 = 15/x
    5.x = 2 . 15
       x =  30/5
       x = 6