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833 WorkRate1 |
Name : _________________ |
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49 people can do a job in 10 days. How many days would it take if there were only 7 people? |
15 people can do a job in 9 days. How many days would it take if there were only 3 people? |
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| 833 70 15 36 35 45 ( 201 ) 45 20 30 22 14 ( 131 ) [[ 332 ]] | ||
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