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142 WorkRate1 |
Name : _________________ |
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45 people can do a job in 7 days. How many days would it take if there were only 9 people? |
15 people can do a job in 9 days. How many days would it take if there were only 5 people? |
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| 142 35 36 40 44 14 ( 169 ) 27 45 49 35 60 ( 216 ) [[ 385 ]] | ||
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