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bonufazy [111]
3 years ago
10

Three quarters of the boats in the marina are white, 4/7 of the remaining boats are blue, adn the rest are red. If there are 9 r

ed boats, how many boats are in the marina?
Mathematics
1 answer:
Sveta_85 [38]3 years ago
4 0
Ask a parent because I have no clue.
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Step-by-step explanation:

the probability of A working is 60% or 0.6, so the probability it does not work is 40% or 0.4.

the probability of B working is 90% or 0.9, so the probability it does not work is 10% or 0.1.

plan 1

it is the probabilty that either A works, or (if it is not working) B works.

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Answer:

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Step-by-step explanation:

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