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200 WorkRate |
Name : _________________ |
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If Ann does a job in 2 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 5 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...) |
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| 200 1.3 1.9 4.2 1.5 2.3 ( 11.2 ) 2.7 3.2 4.7 2.8 2.9 ( 16.3 ) [[ 27.5 ]] | ||
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