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441 WorkRate1 |
Name : _________________ |
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12 people can do a job in 9 days. How many days would it take if there were only 4 people? |
18 people can do a job in 6 days. How many days would it take if there were only 6 people? |
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| 441 27 54 63 25 30 ( 199 ) 18 36 35 21 54 ( 164 ) [[ 363 ]] | ||
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