Since we are not given actual values we will need to make the function with only variables. Each variable will represent the following...
Fixed Cost: y
Cost per charm: p
Number of charms: x
Therefore, using the variables mentioned above we can combine them into the following linear function using the number of charms as our main input for our function...
6/11 is the simplest form of the fraction. First you divide the top and bottom by two 84/2 and 144/2 Next you get 42/77 Finally you see that both are factorable by 7 so you divde 42 and 77 by 7 to get 7/11