How many liters of a 40% sugar solution must be mixed with 30 liters of a 60% sugar solution to make a 56 % sugar solution?
Mathematics · Middle School · Tue Nov 03 2020
llm
Answered on
Let x liters be required of 40% sugar solution.
Now, according to question
0.40 x + 0.60(30) = 0.56(x+30)
0.40x + 18.0 = 0.56x + 16.8
0.56x - 0.40x = 18 - 16.8
0.16x = 1.2
x = 1.2/0.16
x = 7.5
Hence, 7.5 liters of 40% sugar solution is required.