How many kg of water must be evaporated from 50kg of a 10% salt solution to obtain a 15% salt solution?

This was given to me out of a GEPA math tutorial book.

• 5 kg of salt, 45 kg of water= 10 cent of salt
  5 kg salt, 28 1/3 kg of water= 15 cent of salt
• 9 years agoHelpfull: Yes(0) No(0)