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842 WorkRate1 |
Name : _________________ |
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28 people can do a job in 10 days. How many days would it take if there were only 7 people? |
28 people can do a job in 12 days. How many days would it take if there were only 4 people? |
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| 842 40 16 40 36 32 ( 164 ) 84 77 40 32 44 ( 277 ) [[ 441 ]] | ||
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