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520 WorkRate1 |
Name : _________________ |
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35 people can do a job in 12 days. How many days would it take if there were only 5 people? |
45 people can do a job in 5 days. How many days would it take if there were only 9 people? |
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+( ) |
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++[[ ]]++ |
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| 520 84 22 55 72 32 ( 265 ) 25 35 18 63 22 ( 163 ) [[ 428 ]] | ||
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