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220 WorkRate |
Name : _________________ |
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If Ann does a job in 2 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 5 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...) |
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| 220 1.3 1.9 4.2 1.7 2.3 ( 11.4 ) 2.7 3.2 5 2.2 3.1 ( 16.2 ) [[ 27.6 ]] | ||
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