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686 WorkRate1 |
Name : _________________ |
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42 people can do a job in 7 days. How many days would it take if there were only 6 people? |
12 people can do a job in 9 days. How many days would it take if there were only 6 people? |
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| 686 49 36 20 30 84 ( 219 ) 18 44 48 55 45 ( 210 ) [[ 429 ]] | ||
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