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307 WorkRate1 |
Name : _________________ |
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6 people can do a job in 12 days. How many days would it take if there were only 3 people? |
42 people can do a job in 12 days. How many days would it take if there were only 7 people? |
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| 307 24 15 77 84 25 ( 225 ) 72 10 48 16 10 ( 156 ) [[ 381 ]] | ||
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