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152 WorkRate1 |
Name : _________________ |
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18 people can do a job in 7 days. How many days would it take if there were only 9 people? |
30 people can do a job in 9 days. How many days would it take if there were only 5 people? |
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| 152 14 15 35 56 50 ( 170 ) 54 24 32 33 24 ( 167 ) [[ 337 ]] | ||
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