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572 WorkRate1 |
Name : _________________ |
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15 people can do a job in 11 days. How many days would it take if there were only 5 people? |
18 people can do a job in 7 days. How many days would it take if there were only 9 people? |
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++[[ ]]++ |
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| 572 33 45 24 27 35 ( 164 ) 14 45 60 20 40 ( 179 ) [[ 343 ]] | ||
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