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170 WorkRate |
Name : _________________ |
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If Ann does a job in 10 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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| 170 2.9 2 4.2 1.5 2.9 ( 13.5 ) 2.7 3.2 4.7 2.2 2.9 ( 15.7 ) [[ 29.2 ]] | ||
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