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604 WorkRate |
Name : _________________ |
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If Ann does a job in 6 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 9 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
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| 604 3.2 3.9 1.7 3.1 2.9 ( 14.8 ) 4.5 2.2 1.9 2.5 2.2 ( 13.3 ) [[ 28.1 ]] | ||
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