239 WorkRate |
Name : _________________ |
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If Ann does a job in 2 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 6 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
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239 1.6 4 1.6 2.8 3 ( 13 ) 3.4 1.9 1.7 3.3 2.5 ( 12.8 ) [[ 25.8 ]] | ||
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