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544 WorkRate1 |
Name : _________________ |
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10 people can do a job in 10 days. How many days would it take if there were only 5 people? |
54 people can do a job in 11 days. How many days would it take if there were only 9 people? |
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| 544 20 27 54 70 30 ( 201 ) 66 30 36 14 30 ( 176 ) [[ 377 ]] | ||
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