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149 WorkRate1 |
Name : _________________ |
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63 people can do a job in 10 days. How many days would it take if there were only 9 people? |
8 people can do a job in 8 days. How many days would it take if there were only 2 people? |
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| 149 70 18 30 60 18 ( 196 ) 32 84 33 84 10 ( 243 ) [[ 439 ]] | ||
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