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371 WorkRate1 |
Name : _________________ |
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18 people can do a job in 11 days. How many days would it take if there were only 3 people? |
28 people can do a job in 12 days. How many days would it take if there were only 7 people? |
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| 371 66 18 50 66 20 ( 220 ) 48 84 30 49 70 ( 281 ) [[ 501 ]] | ||
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