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136 WorkRate1 |
Name : _________________ |
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36 people can do a job in 11 days. How many days would it take if there were only 9 people? |
63 people can do a job in 8 days. How many days would it take if there were only 9 people? |
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| 136 44 30 20 24 49 ( 167 ) 56 20 66 32 44 ( 218 ) [[ 385 ]] | ||
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