3 years ago

Determine what the next number in the sequence should be. 99.5, 98.5, 97, 95, 92.5, 89.5?

Mathematics

1 answer:

otez555 [7]3 years ago

8 0

Answer:

87.5

Step-by-step explanation:

-2

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n(N ∪ S) = 20 - 10 = 10
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n(S) = 50 - 10 - 5 - 10 = 25
n(K) = 55 - 20 - 5 - 10 = 20
n(N) = 100 - 10 - 20 - 10 = 60

n(N ∪ S ∪ K) = 10 + 5 + 10 + 20 + 25 + 20 + 60 = 150

Therefore, n(N ∪ S ∪ K)' = 250 - 150 = 100

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