A chemist needs 8 liters of a 45% acid solution. The solution is to be mixed from three solutions whose acid concentrations are 10%, 20%, and 50%. How many liters of the 50% solution should the chemist use if trying to use as little as possible of the 50% solution?
A) $1 \frac { 1 } { 3 }$ liters
B) $3 \frac { 2 } { 3 }$ liters
C) $6 \frac { 2 } { 3 }$ liters
D) $2 \frac { 1 } { 3 }$ liters
E) $2 \frac { 2 } { 3 }$ liters

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The Answer of A chemist needs 8 liters of a 45% acid solution. The solution is to be mixed from three solutions whose acid concentrations are 10%, 20%, and 50%. How many liters of the 50% solution should the chemist use if trying to use as little as possible of the 50% solution?
A) $1 \frac { 1 } { 3 }$ liters
B) $3 \frac { 2 } { 3 }$ liters
C) $6 \frac { 2 } { 3 }$ liters
D) $2 \frac { 1 } { 3 }$ liters
E) $2 \frac { 2 } { 3 }$ liters

A Chemist Needs 8 Liters of a 45% Acid Solution 1131 \frac { 1 } { 3 }131​

A Chemist Needs 8 Liters of a 45% Acid Solution $1 \frac { 1 } { 3 }$