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391 WorkRate1 |
Name : _________________ |
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12 people can do a job in 5 days. How many days would it take if there were only 3 people? |
56 people can do a job in 7 days. How many days would it take if there were only 8 people? |
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| 391 20 22 55 54 48 ( 199 ) 49 42 66 35 56 ( 248 ) [[ 447 ]] | ||
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