All of bottle A is mixed with 20 litres from…

All of bottle A is mixed with 20 litres from bottle B.

Question 64

MediumOriginal question

A laboratory has 40 litres of a 25% acid solution in bottle A and a large supply of a 60% acid solution in bottle B.

All of bottle A is mixed with 20 litres from bottle B. What is the strength of the mixture?

35%Correct answerYour answer

\frac{107}{3}

%Correct answerYour answer

\frac{110}{3}

%Correct answerYour answer42.5%Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer C

Correct answer: C

Worth noting

42.5% averages 25% and 60% as if equal volumes were mixed.

Ten questions from Alligation & Mixtures, at your own pace.

Ten questions from Alligation & Mixtures, at your own pace.