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366 WorkRate1 |
Name : _________________ |
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18 people can do a job in 9 days. How many days would it take if there were only 3 people? |
21 people can do a job in 11 days. How many days would it take if there were only 7 people? |
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| 366 54 35 32 28 18 ( 167 ) 33 72 42 54 54 ( 255 ) [[ 422 ]] | ||
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