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129 WorkRate |
Name : _________________ |
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If Ann does a job in 10 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 9 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
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| 129 1.7 1.5 3.4 2.8 3.3 ( 12.7 ) 2.2 2.5 2.9 4.5 2.1 ( 14.2 ) [[ 26.9 ]] | ||
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