339 WorkRate1 |
Name : _________________ |
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6 people can do a job in 7 days. How many days would it take if there were only 3 people? |
42 people can do a job in 8 days. How many days would it take if there were only 7 people? |
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339 14 18 42 49 54 ( 177 ) 48 21 28 33 18 ( 148 ) [[ 325 ]] | ||
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