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548 WorkRate1 |
Name : _________________ |
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15 people can do a job in 10 days. How many days would it take if there were only 5 people? |
21 people can do a job in 6 days. How many days would it take if there were only 7 people? |
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| 548 30 33 77 14 35 ( 189 ) 18 30 49 60 24 ( 181 ) [[ 370 ]] | ||
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