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354 WorkRate1 |
Name : _________________ |
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18 people can do a job in 7 days. How many days would it take if there were only 3 people? |
28 people can do a job in 9 days. How many days would it take if there were only 7 people? |
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| 354 42 49 35 40 30 ( 196 ) 36 60 16 30 49 ( 191 ) [[ 387 ]] | ||
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