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132 WorkRate1 |
Name : _________________ |
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18 people can do a job in 8 days. How many days would it take if there were only 9 people? |
45 people can do a job in 7 days. How many days would it take if there were only 9 people? |
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| 132 16 15 56 70 55 ( 212 ) 35 30 24 12 20 ( 121 ) [[ 333 ]] | ||
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