Answer:
The first one
Step-by-step explanation:
In this question, we are trying to find X, so can solve this by back-solving. multiply the choices by the A until they equal B. If you do it for the first one then you should gett B.
it dose not have a solution
186.3
To find the answer you have to do inverse operations
9×20.7=186.3
186.3÷20.7=9
your answer is either 7.6 or 10.0
Answer: C
