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681 WorkRate1 |
Name : _________________ |
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42 people can do a job in 9 days. How many days would it take if there were only 6 people? |
30 people can do a job in 8 days. How many days would it take if there were only 6 people? |
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| 681 63 12 60 70 20 ( 225 ) 40 16 21 49 18 ( 144 ) [[ 369 ]] | ||
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