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361 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 3 people? |
21 people can do a job in 8 days. How many days would it take if there were only 7 people? |
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| 361 40 36 24 32 24 ( 156 ) 24 42 10 25 42 ( 143 ) [[ 299 ]] | ||
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