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448 WorkRate1 |
Name : _________________ |
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8 people can do a job in 9 days. How many days would it take if there were only 4 people? |
48 people can do a job in 9 days. How many days would it take if there were only 8 people? |
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| 448 18 30 60 63 50 ( 221 ) 54 20 30 14 20 ( 138 ) [[ 359 ]] | ||
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