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504 WorkRate1 |
Name : _________________ |
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12 people can do a job in 7 days. How many days would it take if there were only 4 people? |
63 people can do a job in 8 days. How many days would it take if there were only 9 people? |
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| 504 21 32 12 24 66 ( 155 ) 56 28 45 48 28 ( 205 ) [[ 360 ]] | ||
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