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651 WorkRate1 |
Name : _________________ |
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30 people can do a job in 7 days. How many days would it take if there were only 6 people? |
24 people can do a job in 7 days. How many days would it take if there were only 4 people? |
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| 651 35 15 84 77 22 ( 233 ) 42 25 56 60 15 ( 198 ) [[ 431 ]] | ||
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