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721 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 12 days. How many days would it take if there were only 2 people? |
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| 721 49 33 30 77 40 ( 229 ) 72 14 24 20 10 ( 140 ) [[ 369 ]] | ||
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