Respuesta :

Answer:

Step-by-step explanation:

A:B:C = 2:3:5

and B = 4.20

which 3x = 4.20

x = 1.4

A = 2 x 1.4

  = 2.8

C = 5 x 1.4

  = 7

A = 1.4, C = 7