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138 WorkRate1 |
Name : _________________ |
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54 people can do a job in 11 days. How many days would it take if there were only 9 people? |
15 people can do a job in 6 days. How many days would it take if there were only 5 people? |
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| 138 66 49 40 36 24 ( 215 ) 18 36 16 54 72 ( 196 ) [[ 411 ]] | ||
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