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If 15 girls can sweep a room in 3 hours. Assume that all girls work at the same rate. How many girls can sweep the same room in 5 hours?
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Mar 1
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#mathematics
If 15 girls can sweep a room in 3 hours. Assume that all girls work at the same rate. How many girls can sweep the same room in 5 hours?
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If 15 girls can sweep a room in 3 hours, then the total work done by the girls is 15 girls * 3 hours = 45 girl-hours.
To find out how many girls can sweep the same room in 5 hours, we divide the total work by the number of hours:
45 girl-hours / 5 hours = 9 girls
Therefore, 9 girls can sweep the same room in 5 hours.
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