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354 WorkRate1 |
Name : _________________ |
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18 people can do a job in 10 days. How many days would it take if there were only 3 people? |
21 people can do a job in 12 days. How many days would it take if there were only 7 people? |
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| 354 60 49 36 32 22 ( 199 ) 36 30 49 66 60 ( 241 ) [[ 440 ]] | ||
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