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310 WorkRate1 |
Name : _________________ |
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21 people can do a job in 9 days. How many days would it take if there were only 3 people? |
18 people can do a job in 9 days. How many days would it take if there were only 9 people? |
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| 310 63 12 24 15 56 ( 170 ) 18 36 24 40 55 ( 173 ) [[ 343 ]] | ||
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