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517 WorkRate1 |
Name : _________________ |
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20 people can do a job in 12 days. How many days would it take if there were only 5 people? |
12 people can do a job in 12 days. How many days would it take if there were only 3 people? |
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| 517 48 12 24 42 84 ( 210 ) 48 84 24 36 42 ( 234 ) [[ 444 ]] | ||
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