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Orlov [11]
3 years ago
6

2.80=9(70)/I. I need a answer for i

Mathematics
1 answer:
Westkost [7]3 years ago
8 0
I would be 225 since 9(70) is 630 and since you are solving for I, you multiply both sides by i and divide by 2.80
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Answer:

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Step-by-step explanation:

90 Students went to the zoo. 3 had hamburger, milk and cake; 5 had milk and hamburger, 10 had cake and milk; 8 had cake and hamburger; 24 had hamburger; 38 had cake; 20 had milk. How many had a. nothing b. cake only c. milk only d. hamburger only

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Let h represent students that ate hamburger, m represent students that had milk and c represent students that had cake.

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n(h ∩ m ∩ c) = 3, n(m ∩ h) = 5, n(c ∩ m) = 10, n(c ∩ h) = 8, n(h) = 24, n(c) = 38, n(m) = 20

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b) n(m' ∩ h' ∩ C) = 17

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d) n(m' ∩ h ∩ C') = 8

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