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921 WorkRate1 |
Name : _________________ |
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16 people can do a job in 9 days. How many days would it take if there were only 8 people? |
20 people can do a job in 12 days. How many days would it take if there were only 4 people? |
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| 921 18 30 84 42 25 ( 199 ) 60 16 44 20 18 ( 158 ) [[ 357 ]] | ||
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