katieparshall katieparshall
  • 11-11-2017
  • Mathematics
contestada

A chemist has one solution that is 60%alcohol and another that is 35%alcohol how much of each must she use to make 15 liters of a solution that is 50%alcohol

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jorel1380
jorel1380 jorel1380
  • 11-11-2017
Let n be the amount of 60% solution; 15-n be the amount of 35%. Then:
.6n+.35(15-n)=.5(15)
.25n+5.25=7.5
n=9
15-n=6
9 liters of 60% solution;6 liters of 35% solution
☺☺☺☺
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kjfrost14
kjfrost14 kjfrost14
  • 11-11-2017
6 liters of 35% solution i think
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