A scientist has two solutions. She knows that Solution A is 60% salt and Solution B is 85% Salt. She wants to obtain 160 oz of a mixture that is 65% salt. How many oz of each Solution should she use?

Answer 1

(a60+b85)/(a+b)=65

65a+65b=60a+85b

5a=20b

a=20, b=5

160/25=6.4

(a=128)+(b=32)=160