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115 WorkRate1 |
Name : _________________ |
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45 people can do a job in 8 days. How many days would it take if there were only 9 people? |
15 people can do a job in 10 days. How many days would it take if there were only 5 people? |
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| 115 40 49 28 20 24 ( 161 ) 30 50 84 48 66 ( 278 ) [[ 439 ]] | ||
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