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Zarrin [17]
1 year ago
14

during one semester, the time elaine spent doing homework or participating in extracurricular activities was 20 percent less tha

n the time she spent attending class. if she spend a total of 981 hours attending class, doing homework, or participating in extracurricular activities, how many hours did she spend attending class?
Mathematics
1 answer:
polet [3.4K]1 year ago
7 0

Answer:

963 hours

Step-by-step explanation:

I subtracted 20 from the 981

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Add the amount of students together (21+24=45)
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7 0
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Answer:

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<h2><em><u>in </u></em><em><u>which </u></em><em><u>p </u></em><em><u>reads </u></em><em><u>as </u></em><em><u>perpendicular </u></em><em><u>so </u></em></h2>

<h2><em><u>P²</u></em><em><u>=</u></em><em><u>H²</u></em><em><u>-</u></em><em><u>B²</u></em></h2>

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7 0
2 years ago
The ratio of boys to girls in a class is 4:3. there are 9 girls. how many boys are in the class?
aalyn [17]
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