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972 WorkRate1 |
Name : _________________ |
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36 people can do a job in 10 days. How many days would it take if there were only 9 people? |
12 people can do a job in 9 days. How many days would it take if there were only 4 people? |
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| 972 40 18 48 32 21 ( 159 ) 27 48 24 54 16 ( 169 ) [[ 328 ]] | ||
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