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272 WorkRate |
Name : _________________ |
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If Ann does a job in 2 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 6 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
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| 272 1.7 1.7 3.3 3.2 1.7 ( 11.6 ) 2 3 3.8 4.7 2.2 ( 15.7 ) [[ 27.3 ]] | ||
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