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299 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 3 people? |
21 people can do a job in 8 days. How many days would it take if there were only 7 people? |
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| 299 36 84 60 25 21 ( 226 ) 24 42 10 60 84 ( 220 ) [[ 446 ]] | ||
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