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316 WorkRate1 |
Name : _________________ |
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21 people can do a job in 7 days. How many days would it take if there were only 3 people? |
42 people can do a job in 9 days. How many days would it take if there were only 6 people? |
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| 316 49 32 77 16 72 ( 246 ) 63 28 40 40 33 ( 204 ) [[ 450 ]] | ||
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