the time required to do a job varies inversely as the number of people working . it takes 5 hours for 7 carpenters to build a retaining wall. how long will it take for 10 carpenters to complete the job?
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Answer:
14 hours
Step-by-step explanation:
if we divide the 5 hours in 7 Carpenters each Carpenters has 1.4 hours then multiply 1.4 hours in 10 Carpenters the answer is 14 hours.
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