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505 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? |
54 people can do a job in 6 days. How many days would it take if there were only 9 people? |
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| 505 18 20 35 12 60 ( 145 ) 36 24 32 30 15 ( 137 ) [[ 282 ]] | ||
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