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660 WorkRate |
Name : _________________ |
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If Ann does a job in 6 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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| 660 3.8 2.2 2.2 4 3.3 ( 15.5 ) 2.3 3.6 2.7 3.1 1.2 ( 12.9 ) [[ 28.4 ]] | ||
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