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799 WorkRate1 |
Name : _________________ |
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21 people can do a job in 12 days. How many days would it take if there were only 7 people? |
21 people can do a job in 5 days. How many days would it take if there were only 3 people? |
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| 799 36 48 20 22 48 ( 174 ) 35 18 60 28 40 ( 181 ) [[ 355 ]] | ||
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