Mixtures

Question 1

All mixtures satisfy which equation?

Answer 1

(% of desired ingredient in Solution 1) * (Amount of Solution 1) + (% of the desired ingredient in Solution 2) * (Amount of Solution 2) = (% of the desired ingredient in the final mixture) * (Total Amount of the mixture)

Question 2

What other type of problem is the mixture-concept used for?

Answer 2

cost problems

Question 3

When using the mixture-concept for cost problems, what is the equation?

Answer 3

(cost of mixture 1) * (amount of mixture 1) + (cost of mixture 2) * (amount of mixture 2) = (final cost) * (total amount of the mixture)

Question 4

What is the procedure for a mixture problem if the problem asks you to subtract an ingredient in the original mixture, instead of adding it?

Answer 4

The procedure is the same except that you replace the ‘+’ sign with a ‘-‘ sign