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109 WorkRate1 |
Name : _________________ |
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54 people can do a job in 5 days. How many days would it take if there were only 9 people? |
27 people can do a job in 12 days. How many days would it take if there were only 9 people? |
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| 109 30 56 20 50 15 ( 171 ) 36 48 49 36 60 ( 229 ) [[ 400 ]] | ||
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