Solving a Mixture Problem (2.3.3)

Question 1

• Mixture problems: Word problems that set up equations involving various substances mixed together.

Answer 1

• Mixture problems: Word problems that set up equations involving various substances mixed together.

Question 2

• Tricks for mixture problems:
• Make sure the amounts are all measured in the same unit.
• Convert any percents to two-place decimals.

Answer 2

• Tricks for mixture problems:
• Make sure the amounts are all measured in the same unit.
• Convert any percents to two-place decimals.

Question 3

• Remember: the translation process from words to an equation is the true math in word problems and where the real thinking occurs.

Answer 3

• Remember: the translation process from words to an equation is the true math in word problems and where the real thinking occurs.

Question 4

• In defining the variable, usually one amount is the variable and the other amount involves addition or subtraction with the variable.

Answer 4

• In defining the variable, usually one amount is the variable and the other amount involves addition or subtraction with the variable.

Question 5

Read the problem.
Draw a sketch.
Write the known facts. In this problem:
1. There are 200 g of metal that is 50% silver.
2. This 200 g was made by mixing pure silver
with 45% silver metal.

Define the variable and create the equation. Read the problem carefully at this point.

Remember to change any percents into decimals.

Answer 5

Read the problem.
Draw a sketch.
Write the known facts. In this problem:
1. There are 200 g of metal that is 50% silver.
2. This 200 g was made by mixing pure silver
with 45% silver metal.

Define the variable and create the equation. Read the problem carefully at this point.

Remember to change any percents into decimals.

Question 6

Solving this equation is straightforward. Pay careful attention to:

1. arithmetic with the decimals
2. distribution across parentheses.

Answer 6

Solving this equation is straightforward. Pay careful attention to:

1. arithmetic with the decimals
2. distribution across parentheses.