389  Mixture
2

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If you mix 400 ml of 7% alcohol
and 500 ml of 5% alcohol, what %
solution will you get? (Nearest to the 10th.)



If you mix 300 ml of 9% alcohol
and 800 ml of 4% alcohol, what %
solution will you get? (Nearest to the 10th.)



If you mix 300 ml of 3% alcohol
and 500 ml of 4% alcohol, what %
solution will you get? (Nearest to the 10th.)



If you mix 700 ml of 8% alcohol
and 300 ml of 6% alcohol, what %
solution will you get? (Nearest to the 10th.)



If you mix 300 ml of 8% alcohol
and 500 ml of 8% alcohol, what %
solution will you get? (Nearest to the 10th.)



If you mix 400 ml of 8% alcohol
and 300 ml of 7% alcohol, what %
solution will you get? (Nearest to the 10th.)



If you mix 500 ml of 4% alcohol
and 600 ml of 8% alcohol, what %
solution will you get? (Nearest to the 10th.)



농도가 다른 7% 소금물 800 cc 와
9% 소금물 400 cc 를 섞으면, 소수점아래
한자리까지 농도가 몇% 소금물이 될까?



If you mix 400 ml of 7% alcohol
and 600 ml of 6% alcohol, what %
solution will you get? (Nearest to the 10th.)



If you mix 300 ml of 6% alcohol
and 800 ml of 9% alcohol, what %
solution will you get? (Nearest to the 10th.)



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389    5.9 5.4 3.6 7.4 8 ( 30.3 )   7.6 6.2 7.7 6.4 8.2 ( 36.1 )   [[ 66.4 ]]