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582 WorkRate1 |
Name : _________________ |
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15 people can do a job in 11 days. How many days would it take if there were only 5 people? |
28 people can do a job in 7 days. How many days would it take if there were only 7 people? |
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| 582 33 44 25 18 27 ( 147 ) 28 72 45 66 32 ( 243 ) [[ 390 ]] | ||
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