144  Mixture
2

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If you mix 900 ml of 4% alcohol
and 400 ml of 7% alcohol, what %
solution will you get? (Nearest to the 10th.)



If you mix 600 ml of 9% alcohol
and 400 ml of 8% alcohol, what %
solution will you get? (Nearest to the 10th.)



If you mix 500 ml of 5% alcohol
and 400 ml of 6% alcohol, what %
solution will you get? (Nearest to the 10th.)



If you mix 300 ml of 9% alcohol
and 400 ml of 3% alcohol, what %
solution will you get? (Nearest to the 10th.)



If you mix 300 ml of 6% alcohol
and 600 ml of 3% alcohol, what %
solution will you get? (Nearest to the 10th.)



If you mix 700 ml of 9% alcohol
and 500 ml of 4% alcohol, what %
solution will you get? (Nearest to the 10th.)



If you mix 300 ml of 9% alcohol
and 400 ml of 8% alcohol, what %
solution will you get? (Nearest to the 10th.)



농도가 다른 5% 소금물 800 cc 와
5% 소금물 500 cc 를 섞으면, 소수점아래
한자리까지 농도가 몇% 소금물이 될까?



If you mix 800 ml of 9% alcohol
and 700 ml of 4% alcohol, what %
solution will you get? (Nearest to the 10th.)



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



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144    4.9 8.6 5.4 5.6 4 ( 28.5 )   6.9 8.4 5 6.7 3.5 ( 30.5 )   [[ 59 ]]