standard_description: Use variables to represent numbers and write expressions when solving a real-world or mathematical problem; understand that a variable can represent an unknown number, or, depending on the purpose at hand, any number in a specified set.
problem_activity: Hodan is planting flowers around her apartment building. The total distance around her building is 120 feet, and she wants to plant a flower every
$${4{1\over2}}$$
feet.
Let
$$x$$
represent the number of flowers Hodan plants around her apartment building. Write an equation she can use to determine how many flowers she’ll need.


aligns: yes