Answer:
-3c
Step-by-step explanation:
The given expression is:

We need to simplify this expression. The rational expression in the denominator can be multiplied to numerator by taking its reciprocal as shown below:

Thus, the given expression in simplified form is equal to -3c
No solution because everything cancels out
Answer:
Health inspector:7,14,21,28
Fire inspector:12,24,36,48
They will both be there on day 84