152 WorkRate1 |
Name : _________________ |
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27 people can do a job in 9 days. How many days would it take if there were only 9 people? |
35 people can do a job in 9 days. How many days would it take if there were only 5 people? |
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152 27 28 14 22 72 ( 163 ) 63 30 40 15 30 ( 178 ) [[ 341 ]] | ||
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