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611 WorkRate1 |
Name : _________________ |
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20 people can do a job in 10 days. How many days would it take if there were only 5 people? |
16 people can do a job in 11 days. How many days would it take if there were only 4 people? |
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| 611 40 10 25 66 20 ( 161 ) 44 24 22 77 70 ( 237 ) [[ 398 ]] | ||
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