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492 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? |
16 people can do a job in 9 days. How many days would it take if there were only 4 people? |
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| 492 18 20 24 10 54 ( 126 ) 36 24 16 30 48 ( 154 ) [[ 280 ]] | ||
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