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490 WorkRate1 |
Name : _________________ |
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12 people can do a job in 12 days. How many days would it take if there were only 4 people? |
28 people can do a job in 9 days. How many days would it take if there were only 4 people? |
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| 490 36 32 20 10 42 ( 140 ) 63 36 30 27 48 ( 204 ) [[ 344 ]] | ||
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