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411 WorkRate1 |
Name : _________________ |
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8 people can do a job in 6 days. How many days would it take if there were only 4 people? |
20 people can do a job in 5 days. How many days would it take if there were only 4 people? |
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| 411 12 18 36 42 45 ( 153 ) 25 10 36 24 14 ( 109 ) [[ 262 ]] | ||
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