54 muffins because if you take both your given fraction find the nearest common denominator which is 3 4/12 divide the 4 and 12 to get 3 than divide by 0.10 than divided by a whole 10 which got me 3.03 etc.
Round it see how many times it can go into 10 3 times than multiply it by 18.
The answer is -13. You figure it out by multiplying 2.5×-5.2=13
-12 is a Irrational number
