2-Way Table Frequencies- Open Middle Problem

Directions: Using the numbers 1 to 9, fill in the boxes to create a 2-way frequency table that follows the following guidelines (you may only us a number once):

1. The total number of kids interviewed is 242.
2. The number of kids who like both superheroes is half the number of kids who like neither.
3. Superman is the most popular among the kids interviewed.

 

What percent of the kids like both superheroes?

What percent of the kids dislike both superheroes?

How much more popular is Superman than Captain America?

Unit Fraction Proportion- Open Middle Problem

Using the numbers 1 to 9 at most once each time, fill in the boxes to make a true equality statement:

Equal Tips- Open Middle Problem

Using the numbers 1 to 9 at most once each time, complete the following statement:

Leaving a ____ dollar tip for a bill of _____ is the same as leaving a ____ dollar tip for a bill of _____

What is the percent of your tip?

Which tip percentage has the most combinations given the set parameters?

Equivalent Ratios- Open Middle Problem

Using Integers 0 to 9 (without repeating any number), what is the maximum amount of equivalent ratios that could be created?