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155 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? |
20 people can do a job in 7 days. How many days would it take if there were only 5 people? |
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| 155 66 21 60 30 25 ( 202 ) 28 42 40 16 22 ( 148 ) [[ 350 ]] | ||
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