Question

as letras A B C D e E represenram numeros naturais .Quais sao esses numeros 3/5=A/10=B/25=18/C=30/D=E/500

Answer 1

Frações equivalentes
3/5 = A/10
3/5 = 6/10  
A = 6

3/5 = B/25  
3/5 = 15/25
B = 15

3/5 = 18/C
3/5 = 18/30
C = 30

3/5 = 30/D
3/5 = 30/50
D = 50

3/5 = E/500
3/5 = 300/500
E = 300       ok