SOLUTION: if the time (T) it takes to plant rice in an acre varies inversely as the number of the farm workers (W).
(a) if 18 workers can plant rice in a certain number of acres in 3 days,
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(a) if 18 workers can plant rice in a certain number of acres in 3 days,
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Question 1171182: if the time (T) it takes to plant rice in an acre varies inversely as the number of the farm workers (W).
(a) if 18 workers can plant rice in a certain number of acres in 3 days, how long will it take 12 workers to plant rice in the same number of acre?
(b) what happens to the time if the number of worker decrease? Found 3 solutions by ikleyn, josgarithmetic, greenestamps:Answer by ikleyn(52781) (Show Source):
(a) The entire job is 18*3 = 54 worker-days.
12 workers will complete it in = 4 days = 4.5 days. ANSWER <<<---=== edited after the notice by @greenestamps
Thanks to @greenestamps (!)
(b) If the number of worker decreases, the time to complete the job increases. ANSWER
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