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631 WorkRate1 |
Name : _________________ |
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18 people can do a job in 8 days. How many days would it take if there were only 6 people? |
18 people can do a job in 6 days. How many days would it take if there were only 9 people? |
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| 631 24 35 10 16 72 ( 157 ) 12 32 45 44 24 ( 157 ) [[ 314 ]] | ||
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