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291 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 10 days. How many days would it take if there were only 7 people? |
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| 291 40 56 32 36 33 ( 197 ) 30 54 14 72 48 ( 218 ) [[ 415 ]] | ||
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