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531 WorkRate1 |
Name : _________________ |
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10 people can do a job in 7 days. How many days would it take if there were only 5 people? |
54 people can do a job in 9 days. How many days would it take if there were only 9 people? |
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| 531 14 33 70 49 30 ( 196 ) 54 15 44 33 24 ( 170 ) [[ 366 ]] | ||
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