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146 WorkRate1 |
Name : _________________ |
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36 people can do a job in 12 days. How many days would it take if there were only 9 people? |
40 people can do a job in 12 days. How many days would it take if there were only 8 people? |
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| 146 48 14 42 18 35 ( 157 ) 60 70 42 14 45 ( 231 ) [[ 388 ]] | ||
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