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443 WorkRate1 |
Name : _________________ |
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16 people can do a job in 9 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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| 443 36 44 22 24 15 ( 141 ) 77 70 40 28 44 ( 259 ) [[ 400 ]] | ||
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