Respuesta :

jcherry99

Answer:

1/2 Liter was concentrate. 2 1/2 L was water.

Step-by-step explanation:

Let the amount of concentrate = x

5x + x = 3                Combine the left

6x = 3                      Divide by 6

x = 3/6

x = 1/2
1/2 liter concrete is how much concrete used.