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451 WorkRate1 |
Name : _________________ |
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8 people can do a job in 10 days. How many days would it take if there were only 4 people? |
40 people can do a job in 11 days. How many days would it take if there were only 8 people? |
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| 451 20 30 60 70 60 ( 240 ) 55 24 40 14 20 ( 153 ) [[ 393 ]] | ||
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