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438 WorkRate1 |
Name : _________________ |
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28 people can do a job in 7 days. How many days would it take if there were only 4 people? |
40 people can do a job in 7 days. How many days would it take if there were only 8 people? |
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| 438 49 15 36 42 40 ( 182 ) 35 12 21 22 12 ( 102 ) [[ 284 ]] | ||
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