HeyoMayoOkayo HeyoMayoOkayo
  • 14-12-2018
  • Mathematics
contestada

How much water must be evaporated from 20 gallons of a 10% salt solution in order to obtain a 20% salt solution?

Respuesta :

Trevorschmitt74 Trevorschmitt74
  • 14-12-2018

Answer:

8 gallons have to be evaporated to have a 20% salt solution.


hope this helped :)

Step-by-step explanation:

.10*20=2 gallons of salt.

That leaves 18 gallons of water.


.2x=2


x=2/.2


x=10 gallons after evaporation.


18-10=8

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