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527 WorkRate1 |
Name : _________________ |
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15 people can do a job in 8 days. How many days would it take if there were only 5 people? |
21 people can do a job in 6 days. How many days would it take if there were only 7 people? |
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| 527 24 36 44 25 18 ( 147 ) 18 24 35 54 72 ( 203 ) [[ 350 ]] | ||
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