Chase baked 4/5 dozen brownies in 3 hours ? What is her average of baking per hour ?

brownies per hour

Step-by-step explanation:

     Given parameters:

Number of brownies = of a dozen

Time taken  = 3hrs

Unknown:

Average baking per hour = ?

Solution:

The average baking per hour;

    This is a rate problem;

     Average baking per hour =

Number of brownies = x 12  =

 Average baking per hour =  

                                            =

                                             =

                                            = 3brownies per hour

the function makes a strait line horizontally with no x intercept but a y intercept at 9.

b. 153 students do not participate in sports and seventy-five 12th graders were surveyed