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136 WorkRate |
Name : _________________ |
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If Ann does a job in 10 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 7 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
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| 136 4.1 2.8 3.2 5 3.6 ( 18.7 ) 2.5 3.5 1.9 3.2 2.2 ( 13.3 ) [[ 32 ]] | ||
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