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987 WorkRate1 |
Name : _________________ |
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63 people can do a job in 9 days. How many days would it take if there were only 9 people? |
25 people can do a job in 12 days. How many days would it take if there were only 5 people? |
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| 987 63 18 24 72 24 ( 201 ) 60 63 36 56 18 ( 233 ) [[ 434 ]] | ||
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