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738 WorkRate1 |
Name : _________________ |
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42 people can do a job in 9 days. How many days would it take if there were only 7 people? |
12 people can do a job in 10 days. How many days would it take if there were only 3 people? |
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| 738 54 56 40 45 15 ( 210 ) 40 66 18 36 56 ( 216 ) [[ 426 ]] | ||
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