581 WorkRate |
Name : _________________ |
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If Ann does a job in 6 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 9 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
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581 3.6 1.6 2 3.7 3.2 ( 14.1 ) 4.7 3.1 2.2 2.5 1.7 ( 14.2 ) [[ 28.3 ]] | ||
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