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684 WorkRate |
Name : _________________ |
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If Ann does a job in 7 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 10 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
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| 684 4.1 1.5 2.5 4.2 5 ( 17.3 ) 2.3 2.7 3.8 3.1 1.6 ( 13.5 ) [[ 30.8 ]] | ||
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