SOLUTION: If 8 workers can plough a 6-hectare field in 5 hours, how long will it take to plough a 9-hectare field with 5 workers?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: If 8 workers can plough a 6-hectare field in 5 hours, how long will it take to plough a 9-hectare field with 5 workers?      Log On


   

Question 1111744: If 8 workers can plough a 6-hectare field in 5 hours, how long will it take to plough a 9-hectare field with 5 workers?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
RT=W, rate, time, work, R depends on number of workers


x, time for the five workers of the question;
system%288r%2A5=6%2C5r%2Ax=9%29
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%285r%2Ax%29%2F%288r%2A5%29=9%2F6

x%2F8=9%2F6=3%2F2

highlight%28x=12%29hours