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520 WorkRate1 |
Name : _________________ |
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10 people can do a job in 11 days. How many days would it take if there were only 5 people? |
45 people can do a job in 6 days. How many days would it take if there were only 9 people? |
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| 520 22 24 48 63 50 ( 207 ) 30 10 20 18 16 ( 94 ) [[ 301 ]] | ||
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