Bianca and her family are planning a birthday party. The number of invitations is based on the number of guests they want to invite. Identify the dependent and independent variables.

Step 1: Read the problem and identify the variables

Step 2: Identify key phrases in the problem.the number of guests they want to invite the number of invitations.
Step 3: Determine what is constant and what can change.
The number of invitations will change based on the guest list. The more guests on the guest list, the more invitations needed. The fewer guests on the guest list, the fewer invitations needed.
Step 4: Write the variables. (Write them below)

Dependent variable: Number of invitations

Independent variable: Number of guests