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When a math class took a test, 15% of the class failed, 25% made some mistakes (but didnt fail), and 24 students got perfect scors. how many students were in the class?
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Jan 24, 2021
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When a math class took a test, 15% of the class failed, 25% made some mistakes (but didnt fail), and 24 students got perfect scors. how many students were in the class?
Mathematics
middle-school
Sander Declerck
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Answer:
40
Explanation:
60%=24
1%=1÷60×24
1%=0.4
100%=0.4×100
100%=40
Billyjoker
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Jan 28, 2021
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Billyjoker
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