It took 5 people to clean a classroom in 4 hours. How long would it take 4 people? Please help
2 answers:
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Answer:
12 units^3
Step-by-step explanation:
V=1/3Bh
=1/3 Area of the base times height
Area of base: r^2=4
height=9
4 times 9=36
1/3 of 36 =12