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439 WorkRate1 |
Name : _________________ |
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12 people can do a job in 6 days. How many days would it take if there were only 4 people? |
24 people can do a job in 10 days. How many days would it take if there were only 6 people? |
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| 439 18 77 40 45 60 ( 240 ) 40 48 18 63 56 ( 225 ) [[ 465 ]] | ||
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