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613 WorkRate1 |
Name : _________________ |
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20 people can do a job in 9 days. How many days would it take if there were only 5 people? |
12 people can do a job in 6 days. How many days would it take if there were only 4 people? |
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| 613 36 25 48 60 21 ( 190 ) 18 54 28 42 32 ( 174 ) [[ 364 ]] | ||
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