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493 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 4 people? |
56 people can do a job in 11 days. How many days would it take if there were only 8 people? |
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| 493 30 36 18 20 36 ( 140 ) 77 40 50 24 40 ( 231 ) [[ 371 ]] | ||
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