SOLUTION: it takes 6 students 1hour to sweep their school compound. How long will take 15 students to sweep the same compound?
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Question 889134: it takes 6 students 1hour to sweep their school compound. How long will take 15 students to sweep the same compound?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
"Sweep the compound" is one job.
Each student works at a rate of r.
Let t = time in HOURS for the 15 students to do the job.
;
Solve for t.
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