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112 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 8 days. How many days would it take if there were only 5 people? |
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| 112 14 21 35 56 54 ( 180 ) 48 27 32 33 18 ( 158 ) [[ 338 ]] | ||
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