Solving Business Problems (2.3.5)

Question 1

• Solving problems involving prices:
• Define the variable as the unknown price.
• The change in price will then be a percent of the variable.
• The variable and its change will equal the known price.

Answer 1

• Solving problems involving prices:
• Define the variable as the unknown price.
• The change in price will then be a percent of the variable.
• The variable and its change will equal the known price.

Question 2

Remember: As always, reading the word problem for its
facts and relationships is the crucial piece in getting to the answer.

What are the facts?
What is requested?
Will a sketch be useful?

Answer 2

Remember: As always, reading the word problem for its
facts and relationships is the crucial piece in getting to the answer.

What are the facts?
What is requested?
Will a sketch be useful?

Question 3

Define the variable.

Answer 3

Define the variable.

Question 4

Set up the equation.

Answer 4

Set up the equation.

Question 5

Solve the equation.

Check the answer to be sure:
• it’s reasonable;
• it works arithmetically with the facts;
• all the answers asked for have been supplied

Answer 5

Solve the equation.

Check the answer to be sure:
• it’s reasonable;
• it works arithmetically with the facts;
• all the answers asked for have been supplied