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136 WorkRate1 |
Name : _________________ |
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36 people can do a job in 7 days. How many days would it take if there were only 9 people? |
18 people can do a job in 5 days. How many days would it take if there were only 9 people? |
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| 136 28 18 54 42 36 ( 178 ) 10 56 54 36 60 ( 216 ) [[ 394 ]] | ||
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