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497 WorkRate1 |
Name : _________________ |
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28 people can do a job in 12 days. How many days would it take if there were only 4 people? |
36 people can do a job in 6 days. How many days would it take if there were only 9 people? |
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| 497 84 24 25 72 28 ( 233 ) 24 35 15 70 22 ( 166 ) [[ 399 ]] | ||
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