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679 WorkRate1 |
Name : _________________ |
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12 people can do a job in 10 days. How many days would it take if there were only 6 people? |
27 people can do a job in 9 days. How many days would it take if there were only 9 people? |
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| 679 20 60 33 36 60 ( 209 ) 27 55 35 32 55 ( 204 ) [[ 413 ]] | ||
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