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438 WorkRate1 |
Name : _________________ |
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8 people can do a job in 7 days. How many days would it take if there were only 4 people? |
4 people can do a job in 9 days. How many days would it take if there were only 2 people? |
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| 438 14 15 21 32 22 ( 104 ) 18 22 48 60 18 ( 166 ) [[ 270 ]] | ||
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