0.45*0.2= 0.09
so probability that there will be oil after the test= 0.09 %
Answer:
I believe it is 67
I hope this helps if it is right! <3 :)
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.
