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QveST [7]
3 years ago
11

If 75% of a class answered the 1st question on a certain test correctly, 55% answered the 2nd question on the test correctly and

20% answered neither of the question correctly, what percent answered both correctly?
Mathematics
1 answer:
guapka [62]3 years ago
6 0
100-20=80
80-75=5
75-55=20
20+5=25
Answer=25
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Answer:

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Answer:

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1/2÷4=

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