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144 WorkRate1 |
Name : _________________ |
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18 people can do a job in 11 days. How many days would it take if there were only 9 people? |
25 people can do a job in 12 days. How many days would it take if there were only 5 people? |
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| 144 22 33 54 84 30 ( 223 ) 60 10 36 16 22 ( 144 ) [[ 367 ]] | ||
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