If 9 men can do a job in 24 days, how many men are needed to do the same job in 18 days?
2 answers:
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Answer:
Step-by-step explanation:
We can try and isolate m on one side of the equation by following the rules of simplifying equations.
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Answer:
11 3/7 hours
Step-by-step explanation:
The shorter candle burns faster, so the candles will not be the same height (0) until the taller candle burns completely. At 0.7 in/h, that will take ...
(8 in)/(0.7 in/h) = 80/7 h = 11 3/7 h
