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973 WorkRate1 |
Name : _________________ |
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54 people can do a job in 12 days. How many days would it take if there were only 9 people? |
36 people can do a job in 11 days. How many days would it take if there were only 9 people? |
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( )+ |
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| 973 72 56 36 50 36 ( 250 ) 44 70 20 60 56 ( 250 ) [[ 500 ]] | ||
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