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489 WorkRate1 |
Name : _________________ |
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20 people can do a job in 8 days. How many days would it take if there were only 4 people? |
24 people can do a job in 6 days. How many days would it take if there were only 8 people? |
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| 489 40 72 48 24 18 ( 202 ) 18 36 22 55 30 ( 161 ) [[ 363 ]] | ||
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