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557 WorkRate1 |
Name : _________________ |
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20 people can do a job in 9 days. How many days would it take if there were only 5 people? |
20 people can do a job in 8 days. How many days would it take if there were only 5 people? |
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| 557 36 20 45 36 32 ( 169 ) 32 84 22 77 35 ( 250 ) [[ 419 ]] | ||
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