542 WorkRate |
Name : _________________ |
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If Ann does a job in 5 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 2 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
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542 2.9 3.7 3 2.7 2.7 ( 15 ) 1.2 3 1.3 2.8 2.2 ( 10.5 ) [[ 25.5 ]] | ||
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