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993 WorkRate1 |
Name : _________________ |
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18 people can do a job in 12 days. How many days would it take if there were only 9 people? |
54 people can do a job in 9 days. How many days would it take if there were only 9 people? |
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| 993 24 21 48 56 60 ( 209 ) 54 20 20 16 21 ( 131 ) [[ 340 ]] | ||
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