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440 WorkRate1 |
Name : _________________ |
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12 people can do a job in 6 days. How many days would it take if there were only 4 people? |
56 people can do a job in 7 days. How many days would it take if there were only 8 people? |
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| 440 18 25 10 12 56 ( 121 ) 49 24 30 40 20 ( 163 ) [[ 284 ]] | ||
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