8090kg-4854kg=decrease in kg ----- find the difference
3236=decrease in kg
3236kg/8090kg=percent decrease ----- decrease/original amount
0.4= percent decrease ------ percent decrease in decimal form
0.4*100=percent decrease ------ multiply by 100 to get percent form
40% decrease
I'm not 100% but I think its going to be a positive answer choice.
So i would say 1/2
Answer:
The cost of the mug is of $6.50.
Step-by-step explanation:
The cost of the mug and r refills is given by the following equation:

Cost of the mug:
The cost of the mug is found when no refills are bought, that is, C when
, which is 

The cost of the mug is of $6.50.
Your answer would be A :)