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242 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 4 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...) |
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| 242 1.7 1.3 2.5 4.2 3.1 ( 12.8 ) 2.4 3.8 3.8 4.4 1.3 ( 15.7 ) [[ 28.5 ]] | ||
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