200 WorkRate1 |
Name : _________________ |
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10 people can do a job in 10 days. How many days would it take if there were only 2 people? |
63 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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200 50 54 18 45 36 ( 203 ) 77 40 70 20 44 ( 251 ) [[ 454 ]] | ||
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