SOLUTION: A scientist has two solutions,which she has labeled Solution A and B.
Each contains salt. She knows that Solution A is 65% SALT and Solution B is 90%
SALT. She wants to obtain 12
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Question 322144: A scientist has two solutions,which she has labeled Solution A and B.
Each contains salt. She knows that Solution A is 65% SALT and Solution B is 90%
SALT. She wants to obtain 120 ounces of a mixture that is 85% salt.
How many ounces of EACH solution should she use?
Solution A: _ ounces
Solution B:_ ounces
Thanks.
Found 2 solutions by galactus, modi.kk91:
Answer by galactus(183) (Show Source): You can put this solution on YOUR website!
Let A=amount of solution A
.65A+.90(120-A)=.85(120)
Solve for A and note that amount of B is 120-A
Answer by modi.kk91(20) (Show Source): You can put this solution on YOUR website!
by allegation mixture rule
65% 90%
85%
90-85=5 and 85-65=20
ratio=5:20=1:4=====1x+4x=5x
ans==1x=24
4x=96
5x=120
x=24
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