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989 WorkRate1 |
Name : _________________ |
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18 people can do a job in 12 days. How many days would it take if there were only 9 people? |
30 people can do a job in 5 days. How many days would it take if there were only 5 people? |
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| 989 24 36 70 35 30 ( 195 ) 30 12 48 24 33 ( 147 ) [[ 342 ]] | ||
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