Answer:
4. U = 54
5. C=80
Step-by-step explanation:
Basically you move the denominator to the other side and multiply. please take note of the signs(positve, negative)
You could also use 48 because 8 and 12 divide into it.
Answer:
Step-by-step explanation:
It will only take into account private cost because it is allowed to emit pollution at a zero cost.