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Answer:
I'm old and the way I was taught about fraction division was:
INVERT AND MULTIPLY.
SO: (5/8) divided by (1/4) equals
(5/8) multiplied by (4/1) which equals (20/8) or 2.5
Step-by-step explanation:
<span>No.
The test is not a fair test. The test is artificial. Testing the disinfectant against bacteria in a
test tube is not representative of the effectiveness of the disinfectant
against microbes in the environment. Test tube tests test for efficacy.
Effectiveness can only be tested out in the environment.</span>