523 WorkRate |
Name : _________________ |
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If Ann does a job in 5 days, and Bob does it in 5 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 9 days, and Bob does it in 5 days, how long do they take together? (Nearest to the 10th...) |
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523 2.5 3 2.2 1.2 2.2 ( 11.1 ) 3.2 4.2 4.2 2.2 2.9 ( 16.7 ) [[ 27.8 ]] | ||
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