Last week I mixed up 400 ml of lemonade that was $$\(30 \%\)$$ sugar and 200 ml of lemonade that was $$\(40 \%\)$$ sugar, and poured all of it into a glass. During the week 100 ml of pure water evaporated from the lemonade. The remaining lemonade is what percent sugar?
A.
\(30 \%\)
B.
\(33 \%\)
C.
\(35 \%\)
D.
\(40 \%\)
Exam No:2020-2021 Math League First Round Grades 8-9 Year:2021 Question No:8
Answer:
D
Knowledge points:
G8-9 - Algebra - Systems of Linear Equations (Modeling)
Solution:
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