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455 WorkRate |
Name : _________________ |
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If Ann does a job in 4 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 8 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
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| 455 2.8 5 1.3 3.5 2.7 ( 15.3 ) 4.2 1.9 1.7 3.7 3.8 ( 15.3 ) [[ 30.6 ]] | ||
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