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817 WorkRate1 |
Name : _________________ |
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21 people can do a job in 12 days. How many days would it take if there were only 7 people? |
18 people can do a job in 6 days. How many days would it take if there were only 3 people? |
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| 817 36 48 56 42 48 ( 230 ) 36 30 24 27 27 ( 144 ) [[ 374 ]] | ||
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