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985 WorkRate1 |
Name : _________________ |
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18 people can do a job in 6 days. How many days would it take if there were only 9 people? |
54 people can do a job in 11 days. How many days would it take if there were only 9 people? |
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| 985 12 30 36 77 30 ( 185 ) 66 22 27 14 20 ( 149 ) [[ 334 ]] | ||
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