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PLS HELP ME WITH THIS ALGEBRA!
A salt solution contains 10% salt and weights 80g. How much pure water must be added so that the percentage of salt drops to 4%

Respuesta :

mhanifa

Answer:

  • 120 g

Step-by-step explanation:

A salt solution contains 10% salt and weights 80g.

Salt content of the solution is:

  • 80*0.1 = 8 g

4% solution has 8 g salt, total solution is:

  • 0.04x = 8
  • x = 8/0.04 = 200 g

Water to be added:

  • 200 - 80 = 120 g

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