I don't know. This seems tricky. But I do know that the probability would be 1 divided by the probability. So A and D is Incorrect. Theres never really a 50-50 chance with Locker doors so I'm gonna go with C.
I'm not guaranteed this is the answer. But I do Hope it helps. =)
if we name that part x, then we can say
1/x = 1/a + 1/b
Answer:
1). 1.25 / 250 = .005M
.005 = 1 liter
2). (20)(.5) = 10M
have a good day, and be safe
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The answer is C I believe. I wasn't sure what exactly D was saying, but I am pretty sure the answer is C
