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402 WorkRate1 |
Name : _________________ |
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16 people can do a job in 10 days. How many days would it take if there were only 4 people? |
54 people can do a job in 11 days. How many days would it take if there were only 9 people? |
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| 402 40 36 35 32 21 ( 164 ) 66 14 40 35 66 ( 221 ) [[ 385 ]] | ||
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