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154 WorkRate1 |
Name : _________________ |
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54 people can do a job in 6 days. How many days would it take if there were only 9 people? |
18 people can do a job in 10 days. How many days would it take if there were only 6 people? |
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| 154 36 48 35 18 54 ( 191 ) 30 36 63 72 48 ( 249 ) [[ 440 ]] | ||
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